16889474 has 8 divisors (see below), whose sum is σ = 28953408. Its totient is φ = 7238340.

The previous prime is 16889459. The next prime is 16889491. The reversal of 16889474 is 47498861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603182 + ... + 603209.

It is an arithmetic number, because the mean of its divisors is an integer number (3619176).

Almost surely, 2^16889474 is an apocalyptic number.

16889474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16889474 is a deficient number, since it is larger than the sum of its proper divisors (12063934).

16889474 is a wasteful number, since it uses less digits than its factorization.

16889474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206400.

The product of its digits is 387072, while the sum is 47.

The square root of 16889474 is about 4109.6805228631. The cubic root of 16889474 is about 256.5697049467.

The spelling of 16889474 in words is "sixteen million, eight hundred eighty-nine thousand, four hundred seventy-four".