18984050 has 12 divisors (see below), whose sum is σ = 35310426. Its totient is φ = 7593600.

The previous prime is 18984029. The next prime is 18984073. The reversal of 18984050 is 5048981.

It can be written as a sum of positive squares in 3 ways, for example, as 18464209 + 519841 = 4297^2 + 721^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18984050.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 189791 + ... + 189890.

Almost surely, 2^18984050 is an apocalyptic number.

18984050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18984050 is a deficient number, since it is larger than the sum of its proper divisors (16326376).

18984050 is a wasteful number, since it uses less digits than its factorization.

18984050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379693 (or 379688 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 18984050 is about 4357.0689689285. The cubic root of 18984050 is about 266.7654755363.

The spelling of 18984050 in words is "eighteen million, nine hundred eighty-four thousand, fifty".