16904412 has 108 divisors (see below), whose sum is σ = 51214800. Its totient is φ = 4699296.

The previous prime is 16904411. The next prime is 16904429. The reversal of 16904412 is 21440961.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16904411) 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 35 ways as a sum of consecutive naturals, for example, 456858 + ... + 456894.

Almost surely, 2^16904412 is an apocalyptic number.

16904412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16904412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25607400).

16904412 is an abundant number, since it is smaller than the sum of its proper divisors (34310388).

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

16904412 is a wasteful number, since it uses less digits than its factorization.

16904412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16904412 is about 4111.4975373944. The cubic root of 16904412 is about 256.6453242125.

The spelling of 16904412 in words is "sixteen million, nine hundred four thousand, four hundred twelve".