2297949 has 4 divisors (see below), whose sum is σ = 3063936. Its totient is φ = 1531964.

The previous prime is 2297923. The next prime is 2297951. The reversal of 2297949 is 9497922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2297949 - 2⁸ = 2297693 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2297949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382989 + ... + 382994.

It is an arithmetic number, because the mean of its divisors is an integer number (765984).

2^2297949 is an apocalyptic number.

It is an amenable number.

2297949 is a deficient number, since it is larger than the sum of its proper divisors (765987).

2297949 is an equidigital number, since it uses as much as digits as its factorization.

2297949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765986.

The product of its digits is 81648, while the sum is 42.

The square root of 2297949 is about 1515.8987433203. The cubic root of 2297949 is about 131.9613638071.

The spelling of 2297949 in words is "two million, two hundred ninety-seven thousand, nine hundred forty-nine".