839243396 has 12 divisors (see below), whose sum is σ = 1470356748. Its totient is φ = 419141472.

The previous prime is 839243387. The next prime is 839243413. The reversal of 839243396 is 693342938.

It can be written as a sum of positive squares in 2 ways, for example, as 562353796 + 276889600 = 23714^2 + 16640^2 .

It is a super-2 number, since 2×839243396² = 1408658955459225632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 839243396.

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, 116111 + ... + 123126.

It is an arithmetic number, because the mean of its divisors is an integer number (122529729).

Almost surely, 2^839243396 is an apocalyptic number.

It is an amenable number.

839243396 is a deficient number, since it is larger than the sum of its proper divisors (631113352).

839243396 is a wasteful number, since it uses less digits than its factorization.

839243396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240118 (or 240116 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

The square root of 839243396 is about 28969.6978927983. The cubic root of 839243396 is about 943.2554231779.

The spelling of 839243396 in words is "eight hundred thirty-nine million, two hundred forty-three thousand, three hundred ninety-six".