32504428 has 24 divisors (see below), whose sum is σ = 64753920. Its totient is φ = 14131920.

The previous prime is 32504419. The next prime is 32504429. The reversal of 32504428 is 82440523.

It is a junction number, because it is equal to n+sod(n) for n = 32504396 and 32504405.

It is not an unprimeable number, because it can be changed into a prime (32504429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15048 + ... + 17071.

It is an arithmetic number, because the mean of its divisors is an integer number (2698080).

Almost surely, 2^32504428 is an apocalyptic number.

It is an amenable number.

32504428 is a deficient number, since it is larger than the sum of its proper divisors (32249492).

32504428 is a wasteful number, since it uses less digits than its factorization.

32504428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32157 (or 32155 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 32504428 is about 5701.2654735594. The cubic root of 32504428 is about 319.1397074792.

The spelling of 32504428 in words is "thirty-two million, five hundred four thousand, four hundred twenty-eight".