18613484 has 12 divisors (see below), whose sum is σ = 32679864. Its totient is φ = 9276384.

The previous prime is 18613481. The next prime is 18613489. The reversal of 18613484 is 48431681.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18613481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6182 + ... + 8685.

It is an arithmetic number, because the mean of its divisors is an integer number (2723322).

Almost surely, 2^18613484 is an apocalyptic number.

It is an amenable number.

18613484 is a deficient number, since it is larger than the sum of its proper divisors (14066380).

18613484 is a wasteful number, since it uses less digits than its factorization.

18613484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184 (or 15182 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 18613484 is about 4314.3347111693. The cubic root of 18613484 is about 265.0183160474.

The spelling of 18613484 in words is "eighteen million, six hundred thirteen thousand, four hundred eighty-four".