296720945 has 8 divisors (see below), whose sum is σ = 365688744. Its totient is φ = 230961024.

The previous prime is 296720939. The next prime is 296720947. The reversal of 296720945 is 549027692.

It can be written as a sum of positive squares in 4 ways, for example, as 77651344 + 219069601 = 8812^2 + 14801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 296720945 - 2²⁸ = 28285489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 296720896 and 296720905.

It is not an unprimeable number, because it can be changed into a prime (296720947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801764 + ... + 802133.

It is an arithmetic number, because the mean of its divisors is an integer number (45711093).

Almost surely, 2^296720945 is an apocalyptic number.

It is an amenable number.

296720945 is a deficient number, since it is larger than the sum of its proper divisors (68967799).

296720945 is a wasteful number, since it uses less digits than its factorization.

296720945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603939.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 296720945 is about 17225.5898302496. The cubic root of 296720945 is about 666.9850011650.

The spelling of 296720945 in words is "two hundred ninety-six million, seven hundred twenty thousand, nine hundred forty-five".