16317392 has 60 divisors (see below), whose sum is σ = 39630276. Its totient is φ = 6451200.

The previous prime is 16317391. The next prime is 16317421. The reversal of 16317392 is 29371361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10916416 + 5400976 = 3304^2 + 2324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16317391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9392 + ... + 10992.

Almost surely, 2^16317392 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 16317392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19815138).

16317392 is an abundant number, since it is smaller than the sum of its proper divisors (23312884).

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

16317392 is a wasteful number, since it uses less digits than its factorization.

16317392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1623 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 16317392 is about 4039.4791743491. The cubic root of 16317392 is about 253.6395159127.

The spelling of 16317392 in words is "sixteen million, three hundred seventeen thousand, three hundred ninety-two".