868321396 has 6 divisors (see below), whose sum is σ = 1519562450. Its totient is φ = 434160696.

The previous prime is 868321387. The next prime is 868321417. The reversal of 868321396 is 693123868.

It can be written as a sum of positive squares in only one way, i.e., 619312996 + 249008400 = 24886^2 + 15780^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108540171 + ... + 108540178.

Almost surely, 2^868321396 is an apocalyptic number.

It is an amenable number.

868321396 is a deficient number, since it is larger than the sum of its proper divisors (651241054).

868321396 is a wasteful number, since it uses less digits than its factorization.

868321396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217080353 (or 217080351 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 868321396 is about 29467.2936660291. The cubic root of 868321396 is about 954.0259051518.

The spelling of 868321396 in words is "eight hundred sixty-eight million, three hundred twenty-one thousand, three hundred ninety-six".