16804858 has 16 divisors (see below), whose sum is σ = 30061440. Its totient is φ = 6888816.

The previous prime is 16804849. The next prime is 16804859. The reversal of 16804858 is 85840861.

It is a self number, because there is not a number n which added to its sum of digits gives 16804858.

It is not an unprimeable number, because it can be changed into a prime (16804859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25773 + ... + 26416.

It is an arithmetic number, because the mean of its divisors is an integer number (1878840).

Almost surely, 2^16804858 is an apocalyptic number.

16804858 is a deficient number, since it is larger than the sum of its proper divisors (13256582).

16804858 is a wasteful number, since it uses less digits than its factorization.

16804858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52221.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 16804858 is about 4099.3728788682. The cubic root of 16804858 is about 256.1405173389.

The spelling of 16804858 in words is "sixteen million, eight hundred four thousand, eight hundred fifty-eight".