998839948 has 12 divisors (see below), whose sum is σ = 1788620680. Its totient is φ = 487805472.

The previous prime is 998839939. The next prime is 998839949. The reversal of 998839948 is 849938899.

It is not an unprimeable number, because it can be changed into a prime (998839949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903433 + ... + 2903776.

Almost surely, 2^998839948 is an apocalyptic number.

It is an amenable number.

998839948 is a deficient number, since it is larger than the sum of its proper divisors (789780732).

998839948 is a wasteful number, since it uses less digits than its factorization.

998839948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807256 (or 5807254 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 67.

The square root of 998839948 is about 31604.4292465471. The cubic root of 998839948 is about 999.6131663790.

The spelling of 998839948 in words is "nine hundred ninety-eight million, eight hundred thirty-nine thousand, nine hundred forty-eight".