981004996 has 6 divisors (see below), whose sum is σ = 1716758750. Its totient is φ = 490502496.

The previous prime is 981004963. The next prime is 981005033. The reversal of 981004996 is 699400189.

It can be written as a sum of positive squares in only one way, i.e., 536385600 + 444619396 = 23160^2 + 21086^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122625621 + ... + 122625628.

Almost surely, 2^981004996 is an apocalyptic number.

It is an amenable number.

981004996 is a deficient number, since it is larger than the sum of its proper divisors (735753754).

981004996 is a wasteful number, since it uses less digits than its factorization.

981004996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245251253 (or 245251251 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 981004996 is about 31320.9992816321. Note that the first 3 decimals coincide. The cubic root of 981004996 is about 993.6278134861.

The spelling of 981004996 in words is "nine hundred eighty-one million, four thousand, nine hundred ninety-six".