39499216 has 10 divisors (see below), whose sum is σ = 76529762. Its totient is φ = 19749600.

The previous prime is 39499199. The next prime is 39499219. The reversal of 39499216 is 61299493.

39499216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32718400 + 6780816 = 5720^2 + 2604^2 .

It is a super-2 number, since 2×39499216² = 3120376129229312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39499219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234335 + ... + 1234366.

Almost surely, 2^39499216 is an apocalyptic number.

It is an amenable number.

39499216 is a deficient number, since it is larger than the sum of its proper divisors (37030546).

39499216 is a wasteful number, since it uses less digits than its factorization.

39499216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468709 (or 2468703 counting only the distinct ones).

The product of its digits is 104976, while the sum is 43.

The square root of 39499216 is about 6284.8401729877. The cubic root of 39499216 is about 340.5619771851.

The spelling of 39499216 in words is "thirty-nine million, four hundred ninety-nine thousand, two hundred sixteen".