998684452 has 24 divisors (see below), whose sum is σ = 1768903136. Its totient is φ = 493302528.

The previous prime is 998684429. The next prime is 998684461. The reversal of 998684452 is 254486899.

It is a junction number, because it is equal to n+sod(n) for n = 998684393 and 998684402.

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, 247483 + ... + 251485.

Almost surely, 2^998684452 is an apocalyptic number.

It is an amenable number.

998684452 is a deficient number, since it is larger than the sum of its proper divisors (770218684).

998684452 is a wasteful number, since it uses less digits than its factorization.

998684452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747 (or 4745 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 55.

The square root of 998684452 is about 31601.9691158637. The cubic root of 998684452 is about 999.5612915631.

The spelling of 998684452 in words is "nine hundred ninety-eight million, six hundred eighty-four thousand, four hundred fifty-two".