38925899 has 4 divisors (see below), whose sum is σ = 39585720. Its totient is φ = 38266080.

The previous prime is 38925883. The next prime is 38925919. The reversal of 38925899 is 99852983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38925899 - 2⁴ = 38925883 is a prime.

It is a super-2 number, since 2×38925899² = 3030451225916402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38925899.

It is not an unprimeable number, because it can be changed into a prime (38925839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329822 + ... + 329939.

It is an arithmetic number, because the mean of its divisors is an integer number (9896430).

Almost surely, 2^38925899 is an apocalyptic number.

38925899 is a deficient number, since it is larger than the sum of its proper divisors (659821).

38925899 is an equidigital number, since it uses as much as digits as its factorization.

38925899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659820.

The product of its digits is 1399680, while the sum is 53.

The square root of 38925899 is about 6239.0623494240. The cubic root of 38925899 is about 338.9062285055.

The spelling of 38925899 in words is "thirty-eight million, nine hundred twenty-five thousand, eight hundred ninety-nine".