18238050 has 36 divisors (see below), whose sum is σ = 49000770. Its totient is φ = 4863360.

The previous prime is 18238039. The next prime is 18238067. The reversal of 18238050 is 5083281.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17065161 + 1172889 = 4131^2 + 1083^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19815 + ... + 20714.

Almost surely, 2^18238050 is an apocalyptic number.

18238050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18238050 is an abundant number, since it is smaller than the sum of its proper divisors (30762720).

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

18238050 is a wasteful number, since it uses less digits than its factorization.

18238050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40547 (or 40539 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 18238050 is about 4270.6030019190. The cubic root of 18238050 is about 263.2243936858.

It can be divided in two parts, 18 and 238050, that multiplied together give a square (4284900 = 2070²).

The spelling of 18238050 in words is "eighteen million, two hundred thirty-eight thousand, fifty".