18980794 has 8 divisors (see below), whose sum is σ = 32538528. Its totient is φ = 8134620.

The previous prime is 18980783. The next prime is 18980807. The reversal of 18980794 is 49708981.

It is a happy number.

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, 677872 + ... + 677899.

It is an arithmetic number, because the mean of its divisors is an integer number (4067316).

Almost surely, 2^18980794 is an apocalyptic number.

18980794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18980794 is a deficient number, since it is larger than the sum of its proper divisors (13557734).

18980794 is a wasteful number, since it uses less digits than its factorization.

18980794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355780.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 18980794 is about 4356.6953072254. The cubic root of 18980794 is about 266.7502234685.

The spelling of 18980794 in words is "eighteen million, nine hundred eighty thousand, seven hundred ninety-four".