38812820 has 24 divisors (see below), whose sum is σ = 85797600. Its totient is φ = 14707872.

The previous prime is 38812793. The next prime is 38812847. The reversal of 38812820 is 2821883.

It is an interprime number because it is at equal distance from previous prime (38812793) and next prime (38812847).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50690 + ... + 51449.

It is an arithmetic number, because the mean of its divisors is an integer number (3574900).

Almost surely, 2^38812820 is an apocalyptic number.

It is an amenable number.

38812820 is an abundant number, since it is smaller than the sum of its proper divisors (46984780).

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

38812820 is a wasteful number, since it uses less digits than its factorization.

38812820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102167 (or 102165 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 38812820 is about 6229.9935794509. The cubic root of 38812820 is about 338.5777381536.

The spelling of 38812820 in words is "thirty-eight million, eight hundred twelve thousand, eight hundred twenty".