2297973 has 4 divisors (see below), whose sum is σ = 3063968. Its totient is φ = 1531980.

The previous prime is 2297969. The next prime is 2297983. The reversal of 2297973 is 3797922.

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 not a de Polignac number, because 2297973 - 2² = 2297969 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2²¹ + 9⁴ + 7⁵ + 9⁵ + 7⁶ + 3⁵ .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297903) 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, 382993 + ... + 382998.

It is an arithmetic number, because the mean of its divisors is an integer number (765992).

2^2297973 is an apocalyptic number.

It is an amenable number.

2297973 is a deficient number, since it is larger than the sum of its proper divisors (765995).

2297973 is an equidigital number, since it uses as much as digits as its factorization.

2297973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765994.

The product of its digits is 47628, while the sum is 39.

The square root of 2297973 is about 1515.9066593956. The cubic root of 2297973 is about 131.9618232113.

The spelling of 2297973 in words is "two million, two hundred ninety-seven thousand, nine hundred seventy-three".