38979794 has 12 divisors (see below), whose sum is σ = 68015934. Its totient is φ = 16705584.

The previous prime is 38979769. The next prime is 38979821. The reversal of 38979794 is 49797983.

It can be written as a sum of positive squares in only one way, i.e., 23668225 + 15311569 = 4865^2 + 3913^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 198779 + ... + 198974.

Almost surely, 2^38979794 is an apocalyptic number.

38979794 is a deficient number, since it is larger than the sum of its proper divisors (29036140).

38979794 is a wasteful number, since it uses less digits than its factorization.

38979794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397769 (or 397762 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 38979794 is about 6243.3800140629. The cubic root of 38979794 is about 339.0625676725.

It can be divided in two parts, 3897979 and 4, that added together give a palindrome (3897983).

The spelling of 38979794 in words is "thirty-eight million, nine hundred seventy-nine thousand, seven hundred ninety-four".