32240404 has 12 divisors (see below), whose sum is σ = 64480864. Its totient is φ = 13817304.

The previous prime is 32240399. The next prime is 32240407. The reversal of 32240404 is 40404223.

32240404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32240407) 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, 575694 + ... + 575749.

Almost surely, 2^32240404 is an apocalyptic number.

It is an amenable number.

32240404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

32240404 is a wasteful number, since it uses less digits than its factorization.

32240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151454 (or 1151452 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 32240404 is about 5678.0634022526. The cubic root of 32240404 is about 318.2732643131.

Adding to 32240404 its reverse (40404223), we get a palindrome (72644627).

The spelling of 32240404 in words is "thirty-two million, two hundred forty thousand, four hundred four".