16387798 has 16 divisors (see below), whose sum is σ = 28514304. Its totient is φ = 6918120.

The previous prime is 16387757. The next prime is 16387807. The reversal of 16387798 is 89778361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7798 + ... + 9673.

It is an arithmetic number, because the mean of its divisors is an integer number (1782144).

Almost surely, 2^16387798 is an apocalyptic number.

16387798 is a deficient number, since it is larger than the sum of its proper divisors (12126506).

16387798 is a wasteful number, since it uses less digits than its factorization.

16387798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17547.

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

The square root of 16387798 is about 4048.1845313671. The cubic root of 16387798 is about 254.0037922843.

The spelling of 16387798 in words is "sixteen million, three hundred eighty-seven thousand, seven hundred ninety-eight".