38799861 has 8 divisors (see below), whose sum is σ = 52022880. Its totient is φ = 25721712.

The previous prime is 38799851. The next prime is 38799877. The reversal of 38799861 is 16899783.

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

It is not a de Polignac number, because 38799861 - 2⁵ = 38799829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38799811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35590 + ... + 36663.

It is an arithmetic number, because the mean of its divisors is an integer number (6502860).

Almost surely, 2^38799861 is an apocalyptic number.

It is an amenable number.

38799861 is a deficient number, since it is larger than the sum of its proper divisors (13223019).

38799861 is a wasteful number, since it uses less digits than its factorization.

38799861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72435.

The product of its digits is 653184, while the sum is 51.

The square root of 38799861 is about 6228.9534433964. The cubic root of 38799861 is about 338.5400520031.

The spelling of 38799861 in words is "thirty-eight million, seven hundred ninety-nine thousand, eight hundred sixty-one".