298736656 has 45 divisors (see below), whose sum is σ = 603499351. Its totient is φ = 143249792.

The previous prime is 298736651. The next prime is 298736663. The reversal of 298736656 is 656637892.

The square root of 298736656 is 17284.

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

It can be written as a sum of positive squares in 4 ways, for example, as 47831056 + 250905600 = 6916^2 + 15840^2 .

It is a Duffinian number.

Its product of digits (3265920) is a multiple of the sum of its prime divisors (180).

It is not an unprimeable number, because it can be changed into a prime (298736651) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2004870 + ... + 2005018.

Almost surely, 2^298736656 is an apocalyptic number.

298736656 is the 17284-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298736656

298736656 is an abundant number, since it is smaller than the sum of its proper divisors (304762695).

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

298736656 is an equidigital number, since it uses as much as digits as its factorization.

298736656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 180 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The cubic root of 298736656 is about 668.4919344798.

The spelling of 298736656 in words is "two hundred ninety-eight million, seven hundred thirty-six thousand, six hundred fifty-six".