16994474 has 24 divisors (see below), whose sum is σ = 31217760. Its totient is φ = 6899256.

The previous prime is 16994449. The next prime is 16994491. The reversal of 16994474 is 47449961.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2702 + ... + 6425.

It is an arithmetic number, because the mean of its divisors is an integer number (1300740).

Almost surely, 2^16994474 is an apocalyptic number.

16994474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16994474 is a deficient number, since it is larger than the sum of its proper divisors (14223286).

16994474 is a wasteful number, since it uses less digits than its factorization.

16994474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9162 (or 9155 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 16994474 is about 4122.4354452192. The cubic root of 16994474 is about 257.1002954542.

The spelling of 16994474 in words is "sixteen million, nine hundred ninety-four thousand, four hundred seventy-four".