38974399 has 2 divisors, whose sum is σ = 38974400. Its totient is φ = 38974398.

The previous prime is 38974391. The next prime is 38974417. The reversal of 38974399 is 99347983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38974399 - 2³ = 38974391 is a prime.

It is a super-2 number, since 2×38974399² = 3038007554822402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38974391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19487199 + 19487200.

It is an arithmetic number, because the mean of its divisors is an integer number (19487200).

Almost surely, 2^38974399 is an apocalyptic number.

38974399 is a deficient number, since it is larger than the sum of its proper divisors (1).

38974399 is an equidigital number, since it uses as much as digits as its factorization.

38974399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 38974399 is about 6242.9479414776. The cubic root of 38974399 is about 339.0469242946.

The spelling of 38974399 in words is "thirty-eight million, nine hundred seventy-four thousand, three hundred ninety-nine".