38813922 has 96 divisors (see below), whose sum is σ = 104632320. Its totient is φ = 10147680.

The previous prime is 38813911. The next prime is 38813927. The reversal of 38813922 is 22931883.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38813927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73953 + ... + 74475.

It is an arithmetic number, because the mean of its divisors is an integer number (1089920).

Almost surely, 2^38813922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38813922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52316160).

38813922 is an abundant number, since it is smaller than the sum of its proper divisors (65818398).

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

38813922 is a wasteful number, since it uses less digits than its factorization.

38813922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 585 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 38813922 is about 6230.0820219320. The cubic root of 38813922 is about 338.5809424998.

The spelling of 38813922 in words is "thirty-eight million, eight hundred thirteen thousand, nine hundred twenty-two".