18098046 has 16 divisors (see below), whose sum is σ = 40218000. Its totient is φ = 6032664.

The previous prime is 18098021. The next prime is 18098071. The reversal of 18098046 is 64089081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18098021) and next prime (18098071).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18098046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167521 + ... + 167628.

It is an arithmetic number, because the mean of its divisors is an integer number (2513625).

Almost surely, 2^18098046 is an apocalyptic number.

18098046 is an abundant number, since it is smaller than the sum of its proper divisors (22119954).

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

18098046 is a wasteful number, since it uses less digits than its factorization.

18098046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335160 (or 335154 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 18098046 is about 4254.1798269467. The cubic root of 18098046 is about 262.5491173395.

The spelling of 18098046 in words is "eighteen million, ninety-eight thousand, forty-six".