18998962 has 8 divisors (see below), whose sum is σ = 30174876. Its totient is φ = 8940672.

The previous prime is 18998957. The next prime is 18998977. The reversal of 18998962 is 26989981.

It can be written as a sum of positive squares in 2 ways, for example, as 14584761 + 4414201 = 3819^2 + 2101^2 .

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, 279363 + ... + 279430.

Almost surely, 2^18998962 is an apocalyptic number.

18998962 is a deficient number, since it is larger than the sum of its proper divisors (11175914).

18998962 is a wasteful number, since it uses less digits than its factorization.

18998962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558812.

The product of its digits is 559872, while the sum is 52.

The square root of 18998962 is about 4358.7798751485. The cubic root of 18998962 is about 266.8353054839.

The spelling of 18998962 in words is "eighteen million, nine hundred ninety-eight thousand, nine hundred sixty-two".