32004940 has 24 divisors (see below), whose sum is σ = 73320912. Its totient is φ = 11638080.

The previous prime is 32004919. The next prime is 32004941. The reversal of 32004940 is 4940023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (32004941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72519 + ... + 72958.

It is an arithmetic number, because the mean of its divisors is an integer number (3055038).

Almost surely, 2^32004940 is an apocalyptic number.

It is an amenable number.

32004940 is an abundant number, since it is smaller than the sum of its proper divisors (41315972).

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

32004940 is a wasteful number, since it uses less digits than its factorization.

32004940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145497 (or 145495 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 32004940 is about 5657.2908710795. The cubic root of 32004940 is about 317.4965465555.

Adding to 32004940 its reverse (4940023), we get a palindrome (36944963).

The spelling of 32004940 in words is "thirty-two million, four thousand, nine hundred forty".