16930404 has 48 divisors (see below), whose sum is σ = 44654400. Its totient is φ = 5545728.

The previous prime is 16930399. The next prime is 16930421. The reversal of 16930404 is 40403961.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5044 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (930300).

Almost surely, 2^16930404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16930404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22327200).

16930404 is an abundant number, since it is smaller than the sum of its proper divisors (27723996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16930404 is a wasteful number, since it uses less digits than its factorization.

16930404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 16930404 is about 4114.6572153704. The cubic root of 16930404 is about 256.7767950034.

The spelling of 16930404 in words is "sixteen million, nine hundred thirty thousand, four hundred four".