38922399 has 6 divisors (see below), whose sum is σ = 56221256. Its totient is φ = 25948260.

The previous prime is 38922397. The next prime is 38922419. The reversal of 38922399 is 99322983.

It is not a de Polignac number, because 38922399 - 2¹ = 38922397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38922397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2162347 + ... + 2162364.

Almost surely, 2^38922399 is an apocalyptic number.

38922399 is a deficient number, since it is larger than the sum of its proper divisors (17298857).

38922399 is a wasteful number, since it uses less digits than its factorization.

38922399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324717 (or 4324714 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 38922399 is about 6238.7818522529. The cubic root of 38922399 is about 338.8960706810.

The spelling of 38922399 in words is "thirty-eight million, nine hundred twenty-two thousand, three hundred ninety-nine".