38710990 has 16 divisors (see below), whose sum is σ = 69750720. Its totient is φ = 15468640.

The previous prime is 38710981. The next prime is 38710993. The reversal of 38710990 is 9901783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38710993) 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, 17676 + ... + 19744.

It is an arithmetic number, because the mean of its divisors is an integer number (4359420).

Almost surely, 2^38710990 is an apocalyptic number.

38710990 is a deficient number, since it is larger than the sum of its proper divisors (31039730).

38710990 is a wasteful number, since it uses less digits than its factorization.

38710990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 38710990 is about 6221.8156513995. The cubic root of 38710990 is about 338.2813793138.

It can be divided in two parts, 38 and 710990, that added together give a triangular number (711028 = T₁₁₉₂).

The spelling of 38710990 in words is "thirty-eight million, seven hundred ten thousand, nine hundred ninety".