233636864 has 44 divisors (see below), whose sum is σ = 470449728. Its totient is φ = 115968000.

The previous prime is 233636861. The next prime is 233636869. The reversal of 233636864 is 468636332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (233636861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153869 + ... + 155379.

Almost surely, 2^233636864 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 233636864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235224864).

233636864 is an abundant number, since it is smaller than the sum of its proper divisors (236812864).

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

233636864 is a wasteful number, since it uses less digits than its factorization.

233636864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1664 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The square root of 233636864 is about 15285.1844607777. The cubic root of 233636864 is about 615.9050846056.

The spelling of 233636864 in words is "two hundred thirty-three million, six hundred thirty-six thousand, eight hundred sixty-four".