38747020 has 24 divisors (see below), whose sum is σ = 87628464. Its totient is φ = 14306496.

The previous prime is 38746997. The next prime is 38747021. The reversal of 38747020 is 2074783.

It is not an unprimeable number, because it can be changed into a prime (38747021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74254 + ... + 74773.

It is an arithmetic number, because the mean of its divisors is an integer number (3651186).

Almost surely, 2^38747020 is an apocalyptic number.

It is an amenable number.

38747020 is an abundant number, since it is smaller than the sum of its proper divisors (48881444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38747020 is a wasteful number, since it uses less digits than its factorization.

38747020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149049 (or 149047 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 38747020 is about 6224.7104350323. The cubic root of 38747020 is about 338.3862978280.

The spelling of 38747020 in words is "thirty-eight million, seven hundred forty-seven thousand, twenty".