38142928 has 10 divisors (see below), whose sum is σ = 73901954. Its totient is φ = 19071456.

The previous prime is 38142889. The next prime is 38142941. The reversal of 38142928 is 82924183.

It can be written as a sum of positive squares in only one way, i.e., 27331984 + 10810944 = 5228^2 + 3288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1191951 + ... + 1191982.

Almost surely, 2^38142928 is an apocalyptic number.

It is an amenable number.

38142928 is a deficient number, since it is larger than the sum of its proper divisors (35759026).

38142928 is a wasteful number, since it uses less digits than its factorization.

38142928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383941 (or 2383935 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 38142928 is about 6175.9961139884. The cubic root of 38142928 is about 336.6185224537.

The spelling of 38142928 in words is "thirty-eight million, one hundred forty-two thousand, nine hundred twenty-eight".