233986788 has 72 divisors (see below), whose sum is σ = 677581632. Its totient is φ = 66693312.

The previous prime is 233986783. The next prime is 233986799. The reversal of 233986788 is 887689332.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (233986783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139531 + ... + 141197.

It is an arithmetic number, because the mean of its divisors is an integer number (9410856).

Almost surely, 2^233986788 is an apocalyptic number.

233986788 is a gapful number since it is divisible by the number (28) 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 233986788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338790816).

233986788 is an abundant number, since it is smaller than the sum of its proper divisors (443594844).

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

233986788 is a wasteful number, since it uses less digits than its factorization.

233986788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2236 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 233986788 is about 15296.6266869529. The cubic root of 233986788 is about 616.2124169047.

The spelling of 233986788 in words is "two hundred thirty-three million, nine hundred eighty-six thousand, seven hundred eighty-eight".