2297649 has 8 divisors (see below), whose sum is σ = 3094272. Its totient is φ = 1516400.

The previous prime is 2297597. The next prime is 2297653. The reversal of 2297649 is 9467922.

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 2297649 - 2⁷ = 2297521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2297149) 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, 3489 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (386784).

2^2297649 is an apocalyptic number.

It is an amenable number.

2297649 is a deficient number, since it is larger than the sum of its proper divisors (796623).

2297649 is a wasteful number, since it uses less digits than its factorization.

2297649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687.

The product of its digits is 54432, while the sum is 39.

The square root of 2297649 is about 1515.7997888903. The cubic root of 2297649 is about 131.9556209857.

The spelling of 2297649 in words is "two million, two hundred ninety-seven thousand, six hundred forty-nine".