998503796 has 12 divisors (see below), whose sum is σ = 1747994052. Its totient is φ = 499076928.

The previous prime is 998503783. The next prime is 998503799. The reversal of 998503796 is 697305899.

It can be written as a sum of positive squares in 2 ways, for example, as 450288400 + 548215396 = 21220^2 + 23414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998503799) 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, 30455 + ... + 54078.

It is an arithmetic number, because the mean of its divisors is an integer number (145666171).

Almost surely, 2^998503796 is an apocalyptic number.

It is an amenable number.

998503796 is a deficient number, since it is larger than the sum of its proper divisors (749490256).

998503796 is a wasteful number, since it uses less digits than its factorization.

998503796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87490 (or 87488 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 998503796 is about 31599.1106836886. The cubic root of 998503796 is about 999.5010163901.

The spelling of 998503796 in words is "nine hundred ninety-eight million, five hundred three thousand, seven hundred ninety-six".