998574396746 has 8 divisors (see below), whose sum is σ = 1497902696004. Its totient is φ = 499273498080.

The previous prime is 998574396713. The next prime is 998574396791. The reversal of 998574396746 is 647693475899.

It can be written as a sum of positive squares in 2 ways, for example, as 914297403721 + 84276993025 = 956189^2 + 290305^2 .

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, 6758795 + ... + 6904958.

Almost surely, 2^998574396746 is an apocalyptic number.

998574396746 is a deficient number, since it is larger than the sum of its proper divisors (499328299258).

998574396746 is a wasteful number, since it uses less digits than its factorization.

998574396746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13700296.

The product of its digits is 2469035520, while the sum is 77.

The spelling of 998574396746 in words is "nine hundred ninety-eight billion, five hundred seventy-four million, three hundred ninety-six thousand, seven hundred forty-six".