38562990 has 32 divisors (see below), whose sum is σ = 94124160. Its totient is φ = 10108704.

The previous prime is 38562943. The next prime is 38563003. The reversal of 38562990 is 9926583.

38562990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9124 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (2941380).

Almost surely, 2^38562990 is an apocalyptic number.

38562990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38562990 is an abundant number, since it is smaller than the sum of its proper divisors (55561170).

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

38562990 is a wasteful number, since it uses less digits than its factorization.

38562990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 38562990 is about 6209.9106273762. The cubic root of 38562990 is about 337.8497225351.

The spelling of 38562990 in words is "thirty-eight million, five hundred sixty-two thousand, nine hundred ninety".