39916444 has 6 divisors (see below), whose sum is σ = 69853784. Its totient is φ = 19958220.

The previous prime is 39916439. The next prime is 39916501. The reversal of 39916444 is 44461993.

It is a junction number, because it is equal to n+sod(n) for n = 39916397 and 39916406.

It is a congruent 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 as a sum of consecutive naturals, namely, 4989552 + ... + 4989559.

Almost surely, 2^39916444 is an apocalyptic number.

It is an amenable number.

39916444 is a deficient number, since it is larger than the sum of its proper divisors (29937340).

39916444 is a wasteful number, since it uses less digits than its factorization.

39916444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979115 (or 9979113 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 39916444 is about 6317.9461852726. The cubic root of 39916444 is about 341.7568920815.

The spelling of 39916444 in words is "thirty-nine million, nine hundred sixteen thousand, four hundred forty-four".