18264798 has 16 divisors (see below), whose sum is σ = 40588560. Its totient is φ = 6088248.

The previous prime is 18264781. The next prime is 18264823. The reversal of 18264798 is 89746281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169065 + ... + 169172.

It is an arithmetic number, because the mean of its divisors is an integer number (2536785).

Almost surely, 2^18264798 is an apocalyptic number.

18264798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18264798 is an abundant number, since it is smaller than the sum of its proper divisors (22323762).

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

18264798 is a wasteful number, since it uses less digits than its factorization.

18264798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338248 (or 338242 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 18264798 is about 4273.7334966046. The cubic root of 18264798 is about 263.3530128254.

It can be divided in two parts, 182 and 64798, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 18264798 in words is "eighteen million, two hundred sixty-four thousand, seven hundred ninety-eight".