18498285 has 48 divisors (see below), whose sum is σ = 34978944. Its totient is φ = 8989056.

The previous prime is 18498247. The next prime is 18498301. The reversal of 18498285 is 58289481.

It is a happy number.

It is not a de Polignac number, because 18498285 - 2⁷ = 18498157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18498285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60102 + ... + 60408.

It is an arithmetic number, because the mean of its divisors is an integer number (728728).

Almost surely, 2^18498285 is an apocalyptic number.

18498285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18498285 is a deficient number, since it is larger than the sum of its proper divisors (16480659).

18498285 is a wasteful number, since it uses less digits than its factorization.

18498285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 18498285 is about 4300.9632642002. The cubic root of 18498285 is about 264.4704507544.

The spelling of 18498285 in words is "eighteen million, four hundred ninety-eight thousand, two hundred eighty-five".