16984149 has 16 divisors (see below), whose sum is σ = 27871872. Its totient is φ = 8958528.

The previous prime is 16984141. The next prime is 16984151. The reversal of 16984149 is 94148961.

It is not a de Polignac number, because 16984149 - 2³ = 16984141 is a prime.

It is a super-2 number, since 2×16984149² = 576922634508402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16984149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16984141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30834 + ... + 31379.

It is an arithmetic number, because the mean of its divisors is an integer number (1741992).

Almost surely, 2^16984149 is an apocalyptic number.

It is an amenable number.

16984149 is a deficient number, since it is larger than the sum of its proper divisors (10887723).

16984149 is a wasteful number, since it uses less digits than its factorization.

16984149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62236.

The product of its digits is 62208, while the sum is 42.

The square root of 16984149 is about 4121.1829612382. The cubic root of 16984149 is about 257.0482177744.

The spelling of 16984149 in words is "sixteen million, nine hundred eighty-four thousand, one hundred forty-nine".