18980482 has 8 divisors (see below), whose sum is σ = 29240316. Its totient is φ = 9233712.

The previous prime is 18980473. The next prime is 18980491. The reversal of 18980482 is 28408981.

It is an interprime number because it is at equal distance from previous prime (18980473) and next prime (18980491).

It can be written as a sum of positive squares in 2 ways, for example, as 14814801 + 4165681 = 3849^2 + 2041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128173 + ... + 128320.

Almost surely, 2^18980482 is an apocalyptic number.

18980482 is a deficient number, since it is larger than the sum of its proper divisors (10259834).

18980482 is a wasteful number, since it uses less digits than its factorization.

18980482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256532.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 18980482 is about 4356.6595001216. The cubic root of 18980482 is about 266.7487618766.

The spelling of 18980482 in words is "eighteen million, nine hundred eighty thousand, four hundred eighty-two".