16858930 has 24 divisors (see below), whose sum is σ = 33357996. Its totient is φ = 6130080.

The previous prime is 16858867. The next prime is 16858949. The reversal of 16858930 is 3985861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 1437601 = 3927^2 + 1199^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5757 + ... + 8176.

Almost surely, 2^16858930 is an apocalyptic number.

16858930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16858930 is a deficient number, since it is larger than the sum of its proper divisors (16499066).

16858930 is a wasteful number, since it uses less digits than its factorization.

16858930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13962 (or 13951 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 16858930 is about 4105.9627372883. The cubic root of 16858930 is about 256.4149459544.

The spelling of 16858930 in words is "sixteen million, eight hundred fifty-eight thousand, nine hundred thirty".