38821412 has 12 divisors (see below), whose sum is σ = 77642880. Its totient is φ = 16637736.

The previous prime is 38821397. The next prime is 38821429. The reversal of 38821412 is 21412883.

38821412 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693212 + ... + 693267.

It is an arithmetic number, because the mean of its divisors is an integer number (6470240).

Almost surely, 2^38821412 is an apocalyptic number.

It is an amenable number.

38821412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38821412 is a wasteful number, since it uses less digits than its factorization.

38821412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386490 (or 1386488 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 38821412 is about 6230.6831086166. The cubic root of 38821412 is about 338.6027199791.

The spelling of 38821412 in words is "thirty-eight million, eight hundred twenty-one thousand, four hundred twelve".