18097954 has 24 divisors (see below), whose sum is σ = 31814208. Its totient is φ = 7698600.

The previous prime is 18097931. The next prime is 18097991. The reversal of 18097954 is 45979081.

It is a super-2 number, since 2×18097954² = 655071877972232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18097954.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14187 + ... + 15409.

It is an arithmetic number, because the mean of its divisors is an integer number (1325592).

Almost surely, 2^18097954 is an apocalyptic number.

18097954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18097954 is a deficient number, since it is larger than the sum of its proper divisors (13716254).

18097954 is a wasteful number, since it uses less digits than its factorization.

18097954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 18097954 is about 4254.1690140379. The cubic root of 18097954 is about 262.5486724561.

The spelling of 18097954 in words is "eighteen million, ninety-seven thousand, nine hundred fifty-four".