984249921896 has 16 divisors (see below), whose sum is σ = 1890480033540. Its totient is φ = 480121912960.

The previous prime is 984249921883. The next prime is 984249921913. The reversal of 984249921896 is 698129942489.

It can be written as a sum of positive squares in 2 ways, for example, as 844351480996 + 139898440900 = 918886^2 + 374030^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500380651 + ... + 1500381306.

Almost surely, 2^984249921896 is an apocalyptic number.

It is an amenable number.

984249921896 is a deficient number, since it is larger than the sum of its proper divisors (906230111644).

984249921896 is a wasteful number, since it uses less digits than its factorization.

984249921896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000762004 (or 3000762000 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 71.

The spelling of 984249921896 in words is "nine hundred eighty-four billion, two hundred forty-nine million, nine hundred twenty-one thousand, eight hundred ninety-six".