18098770 has 16 divisors (see below), whose sum is σ = 32836608. Its totient is φ = 7182000.

The previous prime is 18098747. The next prime is 18098771. The reversal of 18098770 is 7789081.

It is not an unprimeable number, because it can be changed into a prime (18098771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5856 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (2052288).

Almost surely, 2^18098770 is an apocalyptic number.

18098770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18098770 is a deficient number, since it is larger than the sum of its proper divisors (14737838).

18098770 is a wasteful number, since it uses less digits than its factorization.

18098770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14385.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 18098770 is about 4254.2649188785. The cubic root of 18098770 is about 262.5526183257.

The spelling of 18098770 in words is "eighteen million, ninety-eight thousand, seven hundred seventy".