16889002 has 8 divisors (see below), whose sum is σ = 27282276. Its totient is φ = 7794912.

The previous prime is 16888999. The next prime is 16889003. The reversal of 16889002 is 20098861.

It can be written as a sum of positive squares in 2 ways, for example, as 14130081 + 2758921 = 3759^2 + 1661^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16889003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324763 + ... + 324814.

Almost surely, 2^16889002 is an apocalyptic number.

16889002 is a deficient number, since it is larger than the sum of its proper divisors (10393274).

16889002 is a wasteful number, since it uses less digits than its factorization.

16889002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649592.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 16889002 is about 4109.6230970735. The cubic root of 16889002 is about 256.5673148578.

The spelling of 16889002 in words is "sixteen million, eight hundred eighty-nine thousand, two".