18916352 has 132 divisors (see below), whose sum is σ = 49005180. Its totient is φ = 7225344.

The previous prime is 18916351. The next prime is 18916363. The reversal of 18916352 is 25361981.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 12845056 = 2464^2 + 3584^2 .

It is not an unprimeable number, because it can be changed into a prime (18916351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652274 + ... + 652302.

Almost surely, 2^18916352 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 18916352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24502590).

18916352 is an abundant number, since it is smaller than the sum of its proper divisors (30088828).

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

18916352 is a wasteful number, since it uses less digits than its factorization.

18916352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 51 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 18916352 is about 4349.2932759243. The cubic root of 18916352 is about 266.4479985177.

The spelling of 18916352 in words is "eighteen million, nine hundred sixteen thousand, three hundred fifty-two".