18062985 has 16 divisors (see below), whose sum is σ = 28964736. Its totient is φ = 9612288.

The previous prime is 18062971. The next prime is 18063011. The reversal of 18062985 is 58926081.

It is not a de Polignac number, because 18062985 - 2⁶ = 18062921 is a prime.

It is a super-2 number, since 2×18062985² = 652542854220450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7612 + ... + 9698.

It is an arithmetic number, because the mean of its divisors is an integer number (1810296).

Almost surely, 2^18062985 is an apocalyptic number.

18062985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18062985 is a deficient number, since it is larger than the sum of its proper divisors (10901751).

18062985 is a wasteful number, since it uses less digits than its factorization.

18062985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 18062985 is about 4250.0570584405. The cubic root of 18062985 is about 262.3794639345.

The spelling of 18062985 in words is "eighteen million, sixty-two thousand, nine hundred eighty-five".