998284790 has 32 divisors (see below), whose sum is σ = 1855910880. Its totient is φ = 386325504.

The previous prime is 998284789. The next prime is 998284813. The reversal of 998284790 is 97482899.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58694 + ... + 73766.

It is an arithmetic number, because the mean of its divisors is an integer number (57997215).

Almost surely, 2^998284790 is an apocalyptic number.

998284790 is a deficient number, since it is larger than the sum of its proper divisors (857626090).

998284790 is a wasteful number, since it uses less digits than its factorization.

998284790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The square root of 998284790 is about 31595.6451113124. The cubic root of 998284790 is about 999.4279361387.

The spelling of 998284790 in words is "nine hundred ninety-eight million, two hundred eighty-four thousand, seven hundred ninety".