998899756 has 6 divisors (see below), whose sum is σ = 1748074580. Its totient is φ = 499449876.

The previous prime is 998899747. The next prime is 998899793. The reversal of 998899756 is 657998899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124862466 + ... + 124862473.

Almost surely, 2^998899756 is an apocalyptic number.

It is an amenable number.

998899756 is a deficient number, since it is larger than the sum of its proper divisors (749174824).

998899756 is a wasteful number, since it uses less digits than its factorization.

998899756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249724943 (or 249724941 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 70.

The square root of 998899756 is about 31605.3754288729. The cubic root of 998899756 is about 999.6331174136.

The spelling of 998899756 in words is "nine hundred ninety-eight million, eight hundred ninety-nine thousand, seven hundred fifty-six".