32428004 has 18 divisors (see below), whose sum is σ = 66014550. Its totient is φ = 13897632.

The previous prime is 32428001. The next prime is 32428031. The reversal of 32428004 is 40082423.

It can be written as a sum of positive squares in only one way, i.e., 21603904 + 10824100 = 4648^2 + 3290^2 .

It is not an unprimeable number, because it can be changed into a prime (32428001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82529 + ... + 82920.

It is an arithmetic number, because the mean of its divisors is an integer number (3667475).

Almost surely, 2^32428004 is an apocalyptic number.

It is an amenable number.

32428004 is an abundant number, since it is smaller than the sum of its proper divisors (33586546).

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

32428004 is a wasteful number, since it uses less digits than its factorization.

32428004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165467 (or 165458 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 32428004 is about 5694.5591576522. The cubic root of 32428004 is about 318.8893921159.

The spelling of 32428004 in words is "thirty-two million, four hundred twenty-eight thousand, four".