18350352 has 90 divisors (see below), whose sum is σ = 54354222. Its totient is φ = 5778432.

The previous prime is 18350341. The next prime is 18350369. The reversal of 18350352 is 25305381.

It can be written as a sum of positive squares in only one way, i.e., 15023376 + 3326976 = 3876^2 + 1824^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 51808 + ... + 52160.

Almost surely, 2^18350352 is an apocalyptic number.

18350352 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 18350352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27177111).

18350352 is an abundant number, since it is smaller than the sum of its proper divisors (36003870).

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

18350352 is a wasteful number, since it uses less digits than its factorization.

18350352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 18350352 is about 4283.7310839968. The cubic root of 18350352 is about 263.7635624151.

The spelling of 18350352 in words is "eighteen million, three hundred fifty thousand, three hundred fifty-two".