38890930 has 32 divisors (see below), whose sum is σ = 78672384. Its totient is φ = 13734336.

The previous prime is 38890921. The next prime is 38890981. The reversal of 38890930 is 3909883.

38890930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3514 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (2458512).

Almost surely, 2^38890930 is an apocalyptic number.

38890930 is an abundant number, since it is smaller than the sum of its proper divisors (39781454).

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

38890930 is a wasteful number, since it uses less digits than its factorization.

38890930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 38890930 is about 6236.2592954431. The cubic root of 38890930 is about 338.8047128667.

The spelling of 38890930 in words is "thirty-eight million, eight hundred ninety thousand, nine hundred thirty".