16864694 has 32 divisors (see below), whose sum is σ = 32320512. Its totient is φ = 6408000.

The previous prime is 16864693. The next prime is 16864709. The reversal of 16864694 is 49646861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16864691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4979 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (1010016).

Almost surely, 2^16864694 is an apocalyptic number.

16864694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16864694 is a deficient number, since it is larger than the sum of its proper divisors (15455818).

16864694 is a wasteful number, since it uses less digits than its factorization.

16864694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its digits is 248832, while the sum is 44.

The square root of 16864694 is about 4106.6645833328. The cubic root of 16864694 is about 256.4441650358. Note that the first 3 decimals are identical.

The spelling of 16864694 in words is "sixteen million, eight hundred sixty-four thousand, six hundred ninety-four".