998426912 has 24 divisors (see below), whose sum is σ = 2246461056. Its totient is φ = 427897152.

The previous prime is 998426911. The next prime is 998426927. The reversal of 998426912 is 219624899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (998426911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2228408 + ... + 2228855.

It is an arithmetic number, because the mean of its divisors is an integer number (93602544).

Almost surely, 2^998426912 is an apocalyptic number.

It is an amenable number.

998426912 is an abundant number, since it is smaller than the sum of its proper divisors (1248034144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998426912 is a wasteful number, since it uses less digits than its factorization.

998426912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457280 (or 4457272 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 998426912 is about 31597.8941070445. The cubic root of 998426912 is about 999.4753621366.

The spelling of 998426912 in words is "nine hundred ninety-eight million, four hundred twenty-six thousand, nine hundred twelve".