16793887 has 16 divisors (see below), whose sum is σ = 19595520. Its totient is φ = 14238400.

The previous prime is 16793879. The next prime is 16793897. The reversal of 16793887 is 78839761.

It is not a de Polignac number, because 16793887 - 2³ = 16793879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16793887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16793837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9564 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^16793887 is an apocalyptic number.

16793887 is a deficient number, since it is larger than the sum of its proper divisors (2801633).

16793887 is a wasteful number, since it uses less digits than its factorization.

16793887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694.

The product of its digits is 508032, while the sum is 49.

The square root of 16793887 is about 4098.0345288931. The cubic root of 16793887 is about 256.0847650209.

The spelling of 16793887 in words is "sixteen million, seven hundred ninety-three thousand, eight hundred eighty-seven".