38922380 has 24 divisors (see below), whose sum is σ = 93414048. Its totient is φ = 13344768.

The previous prime is 38922349. The next prime is 38922383. The reversal of 38922380 is 8322983.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 38922380.

It is not an unprimeable number, because it can be changed into a prime (38922383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138869 + ... + 139148.

It is an arithmetic number, because the mean of its divisors is an integer number (3892252).

Almost surely, 2^38922380 is an apocalyptic number.

It is an amenable number.

38922380 is an abundant number, since it is smaller than the sum of its proper divisors (54491668).

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

38922380 is a wasteful number, since it uses less digits than its factorization.

38922380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278033 (or 278031 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38922380 is about 6238.7803295195. The cubic root of 38922380 is about 338.8960155369.

The spelling of 38922380 in words is "thirty-eight million, nine hundred twenty-two thousand, three hundred eighty".