38923420 has 12 divisors (see below), whose sum is σ = 81739224. Its totient is φ = 15569360.

The previous prime is 38923403. The next prime is 38923427. The reversal of 38923420 is 2432983.

38923420 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 not an unprimeable number, because it can be changed into a prime (38923427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 973066 + ... + 973105.

It is an arithmetic number, because the mean of its divisors is an integer number (6811602).

Almost surely, 2^38923420 is an apocalyptic number.

It is an amenable number.

38923420 is an abundant number, since it is smaller than the sum of its proper divisors (42815804).

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

38923420 is a wasteful number, since it uses less digits than its factorization.

38923420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946180 (or 1946178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 38923420 is about 6238.8636785876. The cubic root of 38923420 is about 338.8990339264.

The spelling of 38923420 in words is "thirty-eight million, nine hundred twenty-three thousand, four hundred twenty".