38879994 has 8 divisors (see below), whose sum is σ = 77760000. Its totient is φ = 12959996.

The previous prime is 38879993. The next prime is 38879999. The reversal of 38879994 is 49997883.

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

38879994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38879993) 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, 3239994 + ... + 3240005.

It is an arithmetic number, because the mean of its divisors is an integer number (9720000).

Almost surely, 2^38879994 is an apocalyptic number.

38879994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38879994 is a wasteful number, since it uses less digits than its factorization.

38879994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480004.

The product of its digits is 3919104, while the sum is 57.

The square root of 38879994 is about 6235.3824261227. The cubic root of 38879994 is about 338.7729529706.

The spelling of 38879994 in words is "thirty-eight million, eight hundred seventy-nine thousand, nine hundred ninety-four".