998825516 has 24 divisors (see below), whose sum is σ = 1981477680. Its totient is φ = 436732992.

The previous prime is 998825501. The next prime is 998825521. The reversal of 998825516 is 615528899.

It is a super-2 number, since 2×998825516² = 1995304822825332512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504491 + ... + 506466.

It is an arithmetic number, because the mean of its divisors is an integer number (82561570).

Almost surely, 2^998825516 is an apocalyptic number.

It is an amenable number.

998825516 is a deficient number, since it is larger than the sum of its proper divisors (982652164).

998825516 is a wasteful number, since it uses less digits than its factorization.

998825516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010993 (or 1010991 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 53.

The square root of 998825516 is about 31604.2009232950. The cubic root of 998825516 is about 999.6083519652.

The spelling of 998825516 in words is "nine hundred ninety-eight million, eight hundred twenty-five thousand, five hundred sixteen".