2373391 has 4 divisors (see below), whose sum is σ = 2449984. Its totient is φ = 2296800.

The previous prime is 2373383. The next prime is 2373401. The reversal of 2373391 is 1933732.

2373391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2373391 - 2³ = 2373383 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 (2373311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38250 + ... + 38311.

It is an arithmetic number, because the mean of its divisors is an integer number (612496).

2^2373391 is an apocalyptic number.

2373391 is a deficient number, since it is larger than the sum of its proper divisors (76593).

2373391 is an equidigital number, since it uses as much as digits as its factorization.

2373391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76592.

The product of its digits is 3402, while the sum is 28.

The square root of 2373391 is about 1540.5813837639. The cubic root of 2373391 is about 133.3899460979.

The spelling of 2373391 in words is "two million, three hundred seventy-three thousand, three hundred ninety-one".