3928432 has 10 divisors (see below), whose sum is σ = 7611368. Its totient is φ = 1964208.

The previous prime is 3928429. The next prime is 3928447. The reversal of 3928432 is 2348293.

It is a junction number, because it is equal to n+sod(n) for n = 3928394 and 3928403.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 122748 + ... + 122779.

Almost surely, 2^3928432 is an apocalyptic number.

It is an amenable number.

3928432 is a deficient number, since it is larger than the sum of its proper divisors (3682936).

3928432 is a wasteful number, since it uses less digits than its factorization.

3928432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245535 (or 245529 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 3928432 is about 1982.0272450196. The cubic root of 3928432 is about 157.7876761333.

The spelling of 3928432 in words is "three million, nine hundred twenty-eight thousand, four hundred thirty-two".