233977864 has 8 divisors (see below), whose sum is σ = 438708510. Its totient is φ = 116988928.

The previous prime is 233977859. The next prime is 233977867. The reversal of 233977864 is 468779332.

It can be written as a sum of positive squares in only one way, i.e., 225900900 + 8076964 = 15030^2 + 2842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (233977867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14623609 + ... + 14623624.

Almost surely, 2^233977864 is an apocalyptic number.

It is an amenable number.

233977864 is a deficient number, since it is larger than the sum of its proper divisors (204730646).

233977864 is a wasteful number, since it uses less digits than its factorization.

233977864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29247239 (or 29247235 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The square root of 233977864 is about 15296.3349858716. The cubic root of 233977864 is about 616.2045829160.

The spelling of 233977864 in words is "two hundred thirty-three million, nine hundred seventy-seven thousand, eight hundred sixty-four".