233861892 has 96 divisors (see below), whose sum is σ = 624390144. Its totient is φ = 67478400.

The previous prime is 233861863. The next prime is 233861897. The reversal of 233861892 is 298168332.

233861892 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

233861892 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (233861897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273738 + ... + 274590.

It is an arithmetic number, because the mean of its divisors is an integer number (6504064).

Almost surely, 2^233861892 is an apocalyptic number.

233861892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233861892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312195072).

233861892 is an abundant number, since it is smaller than the sum of its proper divisors (390528252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233861892 is a wasteful number, since it uses less digits than its factorization.

233861892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 233861892 is about 15292.5436733069. The cubic root of 233861892 is about 616.1027580584.

The spelling of 233861892 in words is "two hundred thirty-three million, eight hundred sixty-one thousand, eight hundred ninety-two".