2373865 has 16 divisors (see below), whose sum is σ = 3124800. Its totient is φ = 1720512.

The previous prime is 2373823. The next prime is 2373869. The reversal of 2373865 is 5683732.

It is a cyclic number.

It is not a de Polignac number, because 2373865 - 2¹⁹ = 1849577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2373865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (195300).

2^2373865 is an apocalyptic number.

It is an amenable number.

2373865 is a deficient number, since it is larger than the sum of its proper divisors (750935).

2373865 is a wasteful number, since it uses less digits than its factorization.

2373865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 30240, while the sum is 34.

The square root of 2373865 is about 1540.7352141105. The cubic root of 2373865 is about 133.3988254645.

The spelling of 2373865 in words is "two million, three hundred seventy-three thousand, eight hundred sixty-five".