38770990 has 16 divisors (see below), whose sum is σ = 70932960. Its totient is φ = 15253920.

The previous prime is 38770969. The next prime is 38771021. The reversal of 38770990 is 9907783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31170 + ... + 32389.

It is an arithmetic number, because the mean of its divisors is an integer number (4433310).

Almost surely, 2^38770990 is an apocalyptic number.

38770990 is a deficient number, since it is larger than the sum of its proper divisors (32161970).

38770990 is a wasteful number, since it uses less digits than its factorization.

38770990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63627.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 38770990 is about 6226.6355281163. The cubic root of 38770990 is about 338.4560618816.

The spelling of 38770990 in words is "thirty-eight million, seven hundred seventy thousand, nine hundred ninety".