16890484 has 24 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 7628640.

The previous prime is 16890481. The next prime is 16890493. The reversal of 16890484 is 48409861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012 + ... + 5899.

It is an arithmetic number, because the mean of its divisors is an integer number (1354752).

Almost surely, 2^16890484 is an apocalyptic number.

It is an amenable number.

16890484 is a deficient number, since it is larger than the sum of its proper divisors (15623564).

16890484 is a wasteful number, since it uses less digits than its factorization.

16890484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6975 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 16890484 is about 4109.8034016240. The cubic root of 16890484 is about 256.5748191820.

The spelling of 16890484 in words is "sixteen million, eight hundred ninety thousand, four hundred eighty-four".