16940804 has 6 divisors (see below), whose sum is σ = 29646414. Its totient is φ = 8470400.

The previous prime is 16940773. The next prime is 16940827. The reversal of 16940804 is 40804961.

It can be written as a sum of positive squares in only one way, i.e., 15618304 + 1322500 = 3952^2 + 1150^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117597 + ... + 2117604.

It is an arithmetic number, because the mean of its divisors is an integer number (4941069).

Almost surely, 2^16940804 is an apocalyptic number.

It is an amenable number.

16940804 is a deficient number, since it is larger than the sum of its proper divisors (12705610).

16940804 is a wasteful number, since it uses less digits than its factorization.

16940804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235205 (or 4235203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 16940804 is about 4115.9207961281. The cubic root of 16940804 is about 256.8293618145.

It can be divided in two parts, 169 and 40804, that multiplied together give a square (6895876 = 2626²).

The spelling of 16940804 in words is "sixteen million, nine hundred forty thousand, eight hundred four".