38968799 has 4 divisors (see below), whose sum is σ = 39107760. Its totient is φ = 38829840.

The previous prime is 38968759. The next prime is 38968801. The reversal of 38968799 is 99786983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38968799 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 (38968759) 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, 69059 + ... + 69620.

It is an arithmetic number, because the mean of its divisors is an integer number (9776940).

Almost surely, 2^38968799 is an apocalyptic number.

38968799 is a deficient number, since it is larger than the sum of its proper divisors (138961).

38968799 is a wasteful number, since it uses less digits than its factorization.

38968799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138960.

The product of its digits is 5878656, while the sum is 59.

The square root of 38968799 is about 6242.4994193031. The cubic root of 38968799 is about 339.0306849702.

The spelling of 38968799 in words is "thirty-eight million, nine hundred sixty-eight thousand, seven hundred ninety-nine".