2373891 has 8 divisors (see below), whose sum is σ = 3408720. Its totient is φ = 1460832.

The previous prime is 2373869. The next prime is 2373893. The reversal of 2373891 is 1983732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2373891 - 2¹⁴ = 2357507 is a prime.

2373891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30396 + ... + 30473.

It is an arithmetic number, because the mean of its divisors is an integer number (426090).

2^2373891 is an apocalyptic number.

2373891 is a deficient number, since it is larger than the sum of its proper divisors (1034829).

2373891 is a wasteful number, since it uses less digits than its factorization.

2373891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60885.

The product of its digits is 9072, while the sum is 33.

The square root of 2373891 is about 1540.7436516176. The cubic root of 2373891 is about 133.3993124841.

The spelling of 2373891 in words is "two million, three hundred seventy-three thousand, eight hundred ninety-one".