38604428 has 12 divisors (see below), whose sum is σ = 71113560. Its totient is φ = 18286272.

The previous prime is 38604413. The next prime is 38604451. The reversal of 38604428 is 82440683.

It is a super-2 number, since 2×38604428² = 2980603722414368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253901 + ... + 254052.

It is an arithmetic number, because the mean of its divisors is an integer number (5926130).

Almost surely, 2^38604428 is an apocalyptic number.

38604428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38604428 is a deficient number, since it is larger than the sum of its proper divisors (32509132).

38604428 is a wasteful number, since it uses less digits than its factorization.

38604428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507976 (or 507974 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 38604428 is about 6213.2461724931. The cubic root of 38604428 is about 337.9706917622.

The spelling of 38604428 in words is "thirty-eight million, six hundred four thousand, four hundred twenty-eight".