16923385 has 16 divisors (see below), whose sum is σ = 21196800. Its totient is φ = 12954816.

The previous prime is 16923373. The next prime is 16923391. The reversal of 16923385 is 58332961.

It is a cyclic number.

It is not a de Polignac number, because 16923385 - 2⁵ = 16923353 is a prime.

Its product of digits (38880) is a multiple of the sum of its prime divisors (1080).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17956 + ... + 18874.

It is an arithmetic number, because the mean of its divisors is an integer number (1324800).

Almost surely, 2^16923385 is an apocalyptic number.

It is an amenable number.

16923385 is a deficient number, since it is larger than the sum of its proper divisors (4273415).

16923385 is a wasteful number, since it uses less digits than its factorization.

16923385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 38880, while the sum is 37.

The square root of 16923385 is about 4113.8042004937. The cubic root of 16923385 is about 256.7413052921.

It can be divided in two parts, 1692 and 3385, that multiplied together give a triangular number (5727420 = T₃₃₈₄).

The spelling of 16923385 in words is "sixteen million, nine hundred twenty-three thousand, three hundred eighty-five".