296645649 has 16 divisors (see below), whose sum is σ = 402647040. Its totient is φ = 194222160.

The previous prime is 296645641. The next prime is 296645653. The reversal of 296645649 is 946546692.

It is a happy number.

It is not a de Polignac number, because 296645649 - 2³ = 296645641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (296645641) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 70104 + ... + 74214.

It is an arithmetic number, because the mean of its divisors is an integer number (25165440).

Almost surely, 2^296645649 is an apocalyptic number.

It is an amenable number.

296645649 is a deficient number, since it is larger than the sum of its proper divisors (106001391).

296645649 is a wasteful number, since it uses less digits than its factorization.

296645649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540.

The product of its digits is 2799360, while the sum is 51.

The square root of 296645649 is about 17223.4041060413. The cubic root of 296645649 is about 666.9285782844.

The spelling of 296645649 in words is "two hundred ninety-six million, six hundred forty-five thousand, six hundred forty-nine".