16890034 has 16 divisors (see below), whose sum is σ = 29016000. Its totient is φ = 7223184.

The previous prime is 16890023. The next prime is 16890037. The reversal of 16890034 is 43009861.

It is a junction number, because it is equal to n+sod(n) for n = 16889978 and 16890005.

It is not an unprimeable number, because it can be changed into a prime (16890037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7692 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (1813500).

Almost surely, 2^16890034 is an apocalyptic number.

16890034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16890034 is a deficient number, since it is larger than the sum of its proper divisors (12125966).

16890034 is a wasteful number, since it uses less digits than its factorization.

16890034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16890034 is about 4109.7486541150. The cubic root of 16890034 is about 256.5725405875.

Adding to 16890034 its reverse (43009861), we get a palindrome (59899895).

The spelling of 16890034 in words is "sixteen million, eight hundred ninety thousand, thirty-four".