938978996 has 6 divisors (see below), whose sum is σ = 1643213250. Its totient is φ = 469489496.

The previous prime is 938978981. The next prime is 938979011. The reversal of 938978996 is 699879839.

It is an interprime number because it is at equal distance from previous prime (938978981) and next prime (938979011).

It can be written as a sum of positive squares in only one way, i.e., 702250000 + 236728996 = 26500^2 + 15386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117372371 + ... + 117372378.

It is an arithmetic number, because the mean of its divisors is an integer number (273868875).

Almost surely, 2^938978996 is an apocalyptic number.

It is an amenable number.

938978996 is a deficient number, since it is larger than the sum of its proper divisors (704234254).

938978996 is a wasteful number, since it uses less digits than its factorization.

938978996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234744753 (or 234744751 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 68.

The square root of 938978996 is about 30642.7641703551. The cubic root of 938978996 is about 979.2313130877.

The spelling of 938978996 in words is "nine hundred thirty-eight million, nine hundred seventy-eight thousand, nine hundred ninety-six".