18574485 has 16 divisors (see below), whose sum is σ = 30128064. Its totient is φ = 9770112.

The previous prime is 18574469. The next prime is 18574499. The reversal of 18574485 is 58447581.

It is not a de Polignac number, because 18574485 - 2⁴ = 18574469 is a prime.

It is a super-2 number, since 2×18574485² = 690022986030450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7387 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (1883004).

Almost surely, 2^18574485 is an apocalyptic number.

18574485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18574485 is a deficient number, since it is larger than the sum of its proper divisors (11553579).

18574485 is a wasteful number, since it uses less digits than its factorization.

18574485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044.

The product of its digits is 179200, while the sum is 42.

The square root of 18574485 is about 4309.8126409393. The cubic root of 18574485 is about 264.8330977042.

The spelling of 18574485 in words is "eighteen million, five hundred seventy-four thousand, four hundred eighty-five".