998760886 has 4 divisors (see below), whose sum is σ = 1498141332. Its totient is φ = 499380442.

The previous prime is 998760823. The next prime is 998760949. The reversal of 998760886 is 688067899.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (998760823) and next prime (998760949).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249690220 + ... + 249690223.

It is an arithmetic number, because the mean of its divisors is an integer number (374535333).

Almost surely, 2^998760886 is an apocalyptic number.

998760886 is a deficient number, since it is larger than the sum of its proper divisors (499380446).

998760886 is a wasteful number, since it uses less digits than its factorization.

998760886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499380445.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The square root of 998760886 is about 31603.1784161024. The cubic root of 998760886 is about 999.5867912821.

The spelling of 998760886 in words is "nine hundred ninety-eight million, seven hundred sixty thousand, eight hundred eighty-six".