18982350 has 120 divisors (see below), whose sum is σ = 54464520. Its totient is φ = 4898880.

The previous prime is 18982339. The next prime is 18982391. The reversal of 18982350 is 5328981.

It is a super-2 number, since 2×18982350² = 720659223045000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 174096 + ... + 174204.

It is an arithmetic number, because the mean of its divisors is an integer number (453871).

Almost surely, 2^18982350 is an apocalyptic number.

18982350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18982350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27232260).

18982350 is an abundant number, since it is smaller than the sum of its proper divisors (35482170).

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

18982350 is a wasteful number, since it uses less digits than its factorization.

18982350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 18982350 is about 4356.8738792855. The cubic root of 18982350 is about 266.7575124507.

The spelling of 18982350 in words is "eighteen million, nine hundred eighty-two thousand, three hundred fifty".