39879546 has 16 divisors (see below), whose sum is σ = 91153344. Its totient is φ = 11394144.

The previous prime is 39879527. The next prime is 39879557. The reversal of 39879546 is 64597893.

It is a super-2 number, since 2×39879546² = 3180756378332232, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 474715 + ... + 474798.

It is an arithmetic number, because the mean of its divisors is an integer number (5697084).

Almost surely, 2^39879546 is an apocalyptic number.

39879546 is an abundant number, since it is smaller than the sum of its proper divisors (51273798).

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

39879546 is a wasteful number, since it uses less digits than its factorization.

39879546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949525.

The product of its digits is 1632960, while the sum is 51.

The square root of 39879546 is about 6315.0254156258. The cubic root of 39879546 is about 341.6515550987.

The spelling of 39879546 in words is "thirty-nine million, eight hundred seventy-nine thousand, five hundred forty-six".