38775028 has 12 divisors (see below), whose sum is σ = 71847972. Its totient is φ = 18247040.

The previous prime is 38775019. The next prime is 38775041. The reversal of 38775028 is 82057783.

It can be written as a sum of positive squares in 2 ways, for example, as 36144144 + 2630884 = 6012^2 + 1622^2 .

It is a congruent number.

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, 285043 + ... + 285178.

It is an arithmetic number, because the mean of its divisors is an integer number (5987331).

Almost surely, 2^38775028 is an apocalyptic number.

It is an amenable number.

38775028 is a deficient number, since it is larger than the sum of its proper divisors (33072944).

38775028 is a wasteful number, since it uses less digits than its factorization.

38775028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570242 (or 570240 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 38775028 is about 6226.9597718309. The cubic root of 38775028 is about 338.4678115440.

The spelling of 38775028 in words is "thirty-eight million, seven hundred seventy-five thousand, twenty-eight".