18976484 has 12 divisors (see below), whose sum is σ = 33239808. Its totient is φ = 9479400.

The previous prime is 18976483. The next prime is 18976487. The reversal of 18976484 is 48467981.

It is not an unprimeable number, because it can be changed into a prime (18976483) 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 3 ways as a sum of consecutive naturals, for example, 6029 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (2769984).

Almost surely, 2^18976484 is an apocalyptic number.

It is an amenable number.

18976484 is a deficient number, since it is larger than the sum of its proper divisors (14263324).

18976484 is a wasteful number, since it uses less digits than its factorization.

18976484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4424 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 18976484 is about 4356.2006381708. The cubic root of 18976484 is about 266.7300314700.

The spelling of 18976484 in words is "eighteen million, nine hundred seventy-six thousand, four hundred eighty-four".