18498234 has 8 divisors (see below), whose sum is σ = 36996480. Its totient is φ = 6166076.

The previous prime is 18498209. The next prime is 18498241. The reversal of 18498234 is 43289481.

It is a sphenic number, since it is the product of 3 distinct primes.

18498234 is an admirable number.

It is a super-2 number, since 2×18498234² = 684369322237512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18498192 and 18498201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541514 + ... + 1541525.

It is an arithmetic number, because the mean of its divisors is an integer number (4624560).

Almost surely, 2^18498234 is an apocalyptic number.

18498234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18498234 is a wasteful number, since it uses less digits than its factorization.

18498234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083044.

The product of its digits is 55296, while the sum is 39.

The square root of 18498234 is about 4300.9573352918. The cubic root of 18498234 is about 264.4702077048.

The spelling of 18498234 in words is "eighteen million, four hundred ninety-eight thousand, two hundred thirty-four".