2321697856 has 63 divisors (see below), whose sum is σ = 4877748309. Its totient is φ = 1096282368.

The previous prime is 2321697817. The next prime is 2321697997. The reversal of 2321697856 is 6587961232.

The square root of 2321697856 is 48184.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 2191737856 = 11400^2 + 46816^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7323810 + ... + 7324126.

Almost surely, 2^2321697856 is an apocalyptic number.

2321697856 is the 48184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321697856

2321697856 is an abundant number, since it is smaller than the sum of its proper divisors (2556050453).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321697856 is an frugal number, since it uses more digits than its factorization.

2321697856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 338 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The cubic root of 2321697856 is about 1324.1440501897.

Multiplying 2321697856 by its sum of digits (49), we get a square (113763194944 = 337288²).

The spelling of 2321697856 in words is "two billion, three hundred twenty-one million, six hundred ninety-seven thousand, eight hundred fifty-six".