38000399 has 8 divisors (see below), whose sum is σ = 40976880. Its totient is φ = 35121600.

The previous prime is 38000387. The next prime is 38000401. The reversal of 38000399 is 99300083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38000399 - 2⁴ = 38000383 is a prime.

It is a Duffinian number.

38000399 is a modest number, since divided by 399 gives 38 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38000359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23612 + ... + 25169.

It is an arithmetic number, because the mean of its divisors is an integer number (5122110).

Almost surely, 2^38000399 is an apocalyptic number.

38000399 is a deficient number, since it is larger than the sum of its proper divisors (2976481).

38000399 is a wasteful number, since it uses less digits than its factorization.

38000399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48841.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 38000399 is about 6164.4463660575. The cubic root of 38000399 is about 336.1987173672.

The spelling of 38000399 in words is "thirty-eight million, three hundred ninety-nine", and thus it is an aban number.