983998825 has 6 divisors (see below), whose sum is σ = 1220158574. Its totient is φ = 787199040.

The previous prime is 983998819. The next prime is 983998849. The reversal of 983998825 is 528899389.

983998825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 41938576 + 942060249 = 6476^2 + 30693^2 .

It is not a de Polignac number, because 983998825 - 2³ = 983998817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19679952 + ... + 19680001.

Almost surely, 2^983998825 is an apocalyptic number.

It is an amenable number.

983998825 is a deficient number, since it is larger than the sum of its proper divisors (236159749).

983998825 is a wasteful number, since it uses less digits than its factorization.

983998825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39359963 (or 39359958 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 61.

The square root of 983998825 is about 31368.7555538947. The cubic root of 983998825 is about 994.6375707526.

The spelling of 983998825 in words is "nine hundred eighty-three million, nine hundred ninety-eight thousand, eight hundred twenty-five".