18041598 has 24 divisors (see below), whose sum is σ = 39207168. Its totient is φ = 5995872.

The previous prime is 18041593. The next prime is 18041603. The reversal of 18041598 is 89514081.

It is an interprime number because it is at equal distance from previous prime (18041593) and next prime (18041603).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18041593) 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, 5586 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (1633632).

Almost surely, 2^18041598 is an apocalyptic number.

18041598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18041598 is an abundant number, since it is smaller than the sum of its proper divisors (21165570).

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

18041598 is a wasteful number, since it uses less digits than its factorization.

18041598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 18041598 is about 4247.5402293563. The cubic root of 18041598 is about 262.2758685473.

The spelling of 18041598 in words is "eighteen million, forty-one thousand, five hundred ninety-eight".