2319397 has 4 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 2310316.

The previous prime is 2319379. The next prime is 2319407. The reversal of 2319397 is 7939132.

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 2319397 - 2¹¹ = 2317349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2319337) 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, 4147 + ... + 4672.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

2^2319397 is an apocalyptic number.

It is an amenable number.

2319397 is a deficient number, since it is larger than the sum of its proper divisors (9083).

2319397 is an equidigital number, since it uses as much as digits as its factorization.

2319397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082.

The product of its digits is 10206, while the sum is 34.

The square root of 2319397 is about 1522.9566638615. The cubic root of 2319397 is about 132.3706486538.

The spelling of 2319397 in words is "two million, three hundred nineteen thousand, three hundred ninety-seven".