233921412 has 96 divisors (see below), whose sum is σ = 632755200. Its totient is φ = 74649600.

The previous prime is 233921399. The next prime is 233921423. The reversal of 233921412 is 214129332.

It is a happy number.

233921412 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 Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

233921412 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364612 + ... + 365252.

It is an arithmetic number, because the mean of its divisors is an integer number (6591200).

Almost surely, 2^233921412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233921412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316377600).

233921412 is an abundant number, since it is smaller than the sum of its proper divisors (398833788).

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

233921412 is a wasteful number, since it uses less digits than its factorization.

233921412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 786 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 233921412 is about 15294.4895959296. The cubic root of 233921412 is about 616.1550215622.

The spelling of 233921412 in words is "two hundred thirty-three million, nine hundred twenty-one thousand, four hundred twelve".