18494524 has 24 divisors (see below), whose sum is σ = 34994960. Its totient is φ = 8522496.

The previous prime is 18494519. The next prime is 18494527. The reversal of 18494524 is 42549481.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18494527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477 + ... + 6100.

Almost surely, 2^18494524 is an apocalyptic number.

It is an amenable number.

18494524 is a deficient number, since it is larger than the sum of its proper divisors (16500436).

18494524 is a wasteful number, since it uses less digits than its factorization.

18494524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6637 (or 6635 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 18494524 is about 4300.5260143382. The cubic root of 18494524 is about 264.4525258354.

The spelling of 18494524 in words is "eighteen million, four hundred ninety-four thousand, five hundred twenty-four".