32023664 has 20 divisors (see below), whose sum is σ = 65312040. Its totient is φ = 15168960.

The previous prime is 32023661. The next prime is 32023679. The reversal of 32023664 is 46632023.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32023661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52367 + ... + 52974.

It is an arithmetic number, because the mean of its divisors is an integer number (3265602).

Almost surely, 2^32023664 is an apocalyptic number.

It is an amenable number.

32023664 is an abundant number, since it is smaller than the sum of its proper divisors (33288376).

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

32023664 is a wasteful number, since it uses less digits than its factorization.

32023664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105368 (or 105362 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 32023664 is about 5658.9454848055. The cubic root of 32023664 is about 317.5584499826.

Adding to 32023664 its reverse (46632023), we get a palindrome (78655687).

The spelling of 32023664 in words is "thirty-two million, twenty-three thousand, six hundred sixty-four".