16890313 has 8 divisors (see below), whose sum is σ = 18596160. Its totient is φ = 15212880.

The previous prime is 16890311. The next prime is 16890317. The reversal of 16890313 is 31309861.

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

It is a cyclic number.

It is not a de Polignac number, because 16890313 - 2¹ = 16890311 is a prime.

It is a super-3 number, since 3×16890313³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16890311) 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, 5845 + ... + 8242.

It is an arithmetic number, because the mean of its divisors is an integer number (2324520).

Almost surely, 2^16890313 is an apocalyptic number.

It is an amenable number.

16890313 is a deficient number, since it is larger than the sum of its proper divisors (1705847).

16890313 is a wasteful number, since it uses less digits than its factorization.

16890313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16890313 is about 4109.7825976565. The cubic root of 16890313 is about 256.5739533209.

The spelling of 16890313 in words is "sixteen million, eight hundred ninety thousand, three hundred thirteen".