233564982 has 64 divisors (see below), whose sum is σ = 543797760. Its totient is φ = 65505024.

The previous prime is 233564971. The next prime is 233564983. The reversal of 233564982 is 289465332.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233564983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746058 + ... + 746370.

It is an arithmetic number, because the mean of its divisors is an integer number (8496840).

Almost surely, 2^233564982 is an apocalyptic number.

233564982 is an abundant number, since it is smaller than the sum of its proper divisors (310232778).

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

233564982 is a wasteful number, since it uses less digits than its factorization.

233564982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its digits is 311040, while the sum is 42.

The square root of 233564982 is about 15282.8329180162. The cubic root of 233564982 is about 615.8419138804.

The spelling of 233564982 in words is "two hundred thirty-three million, five hundred sixty-four thousand, nine hundred eighty-two".