39167428 has 12 divisors (see below), whose sum is σ = 69067152. Its totient is φ = 19433960.

The previous prime is 39167419. The next prime is 39167431. The reversal of 39167428 is 82476193.

It is a super-2 number, since 2×39167428² = 3068174832270368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36850 + ... + 37897.

It is an arithmetic number, because the mean of its divisors is an integer number (5755596).

Almost surely, 2^39167428 is an apocalyptic number.

It is an amenable number.

39167428 is a deficient number, since it is larger than the sum of its proper divisors (29899724).

39167428 is a wasteful number, since it uses less digits than its factorization.

39167428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74882 (or 74880 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 39167428 is about 6258.3886104971. The cubic root of 39167428 is about 339.6057367616.

The spelling of 39167428 in words is "thirty-nine million, one hundred sixty-seven thousand, four hundred twenty-eight".