16899387 has 16 divisors (see below), whose sum is σ = 23189760. Its totient is φ = 10940832.

The previous prime is 16899383. The next prime is 16899391. The reversal of 16899387 is 78399861.

It is an interprime number because it is at equal distance from previous prime (16899383) and next prime (16899391).

It is not a de Polignac number, because 16899387 - 2² = 16899383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16899383) 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 in 15 ways as a sum of consecutive naturals, for example, 34458 + ... + 34944.

It is an arithmetic number, because the mean of its divisors is an integer number (1449360).

Almost surely, 2^16899387 is an apocalyptic number.

16899387 is a deficient number, since it is larger than the sum of its proper divisors (6290373).

16899387 is a wasteful number, since it uses less digits than its factorization.

16899387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its digits is 653184, while the sum is 51.

The square root of 16899387 is about 4110.8864007657. The cubic root of 16899387 is about 256.6198915905.

The spelling of 16899387 in words is "sixteen million, eight hundred ninety-nine thousand, three hundred eighty-seven".