16840996 has 24 divisors (see below), whose sum is σ = 31240440. Its totient is φ = 7929600.

The previous prime is 16840981. The next prime is 16841003. The reversal of 16840996 is 69904861.

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 16728100 = 336^2 + 4090^2 .

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, 2986 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (1301685).

Almost surely, 2^16840996 is an apocalyptic number.

It is an amenable number.

16840996 is a deficient number, since it is larger than the sum of its proper divisors (14399444).

16840996 is a wasteful number, since it uses less digits than its factorization.

16840996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 16840996 is about 4103.7782591168. The cubic root of 16840996 is about 256.3239916411.

The spelling of 16840996 in words is "sixteen million, eight hundred forty thousand, nine hundred ninety-six".