16439996 has 12 divisors (see below), whose sum is σ = 29258040. Its totient is φ = 8080560.

The previous prime is 16439993. The next prime is 16439999. The reversal of 16439996 is 69993461.

It is an interprime number because it is at equal distance from previous prime (16439993) and next prime (16439999).

It is a self number, because there is not a number n which added to its sum of digits gives 16439996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16439993) 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, 34595 + ... + 35066.

It is an arithmetic number, because the mean of its divisors is an integer number (2438170).

Almost surely, 2^16439996 is an apocalyptic number.

It is an amenable number.

16439996 is a deficient number, since it is larger than the sum of its proper divisors (12818044).

16439996 is a wasteful number, since it uses less digits than its factorization.

16439996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69724 (or 69722 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 16439996 is about 4054.6264932790. The cubic root of 16439996 is about 254.2731886148.

The spelling of 16439996 in words is "sixteen million, four hundred thirty-nine thousand, nine hundred ninety-six".