2373889 has 4 divisors (see below), whose sum is σ = 2713024. Its totient is φ = 2034756.

The previous prime is 2373869. The next prime is 2373893. The reversal of 2373889 is 9883732.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2373889 is a prime.

It is an Ulam number.

It is a Duffinian number.

2373889 is a lucky number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169557 + ... + 169570.

It is an arithmetic number, because the mean of its divisors is an integer number (678256).

2^2373889 is an apocalyptic number.

It is an amenable number.

2373889 is a deficient number, since it is larger than the sum of its proper divisors (339135).

2373889 is an equidigital number, since it uses as much as digits as its factorization.

2373889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339134.

The product of its digits is 72576, while the sum is 40.

The square root of 2373889 is about 1540.7430025802. The cubic root of 2373889 is about 133.3992750212.

The spelling of 2373889 in words is "two million, three hundred seventy-three thousand, eight hundred eighty-nine".