998352986 has 8 divisors (see below), whose sum is σ = 1576346880. Its totient is φ = 472904028.

The previous prime is 998352977. The next prime is 998353001. The reversal of 998352986 is 689253899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 13136186 + ... + 13136261.

It is an arithmetic number, because the mean of its divisors is an integer number (197043360).

Almost surely, 2^998352986 is an apocalyptic number.

998352986 is a deficient number, since it is larger than the sum of its proper divisors (577993894).

998352986 is a wasteful number, since it uses less digits than its factorization.

998352986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26272468.

The product of its digits is 8398080, while the sum is 59.

The square root of 998352986 is about 31596.7242922427. The cubic root of 998352986 is about 999.4506936511.

The spelling of 998352986 in words is "nine hundred ninety-eight million, three hundred fifty-two thousand, nine hundred eighty-six".