296390656 has 39 divisors (see below), whose sum is σ = 594920521. Its totient is φ = 147644416.

The previous prime is 296390641. The next prime is 296390657. The reversal of 296390656 is 656093692.

The square root of 296390656 is 17216.

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., 19501056 + 276889600 = 4416^2 + 16640^2 .

It is a super-2 number, since 2×296390656² = 175694841928220672, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296390657) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1101690 + ... + 1101958.

Almost surely, 2^296390656 is an apocalyptic number.

296390656 is the 17216-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 296390656

296390656 is an abundant number, since it is smaller than the sum of its proper divisors (298529865).

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

296390656 is an frugal number, since it uses more digits than its factorization.

296390656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The cubic root of 296390656 is about 666.7374289332.

The spelling of 296390656 in words is "two hundred ninety-six million, three hundred ninety thousand, six hundred fifty-six".