2371889 has 4 divisors (see below), whose sum is σ = 2554356. Its totient is φ = 2189424.

The previous prime is 2371883. The next prime is 2371927. The reversal of 2371889 is 9881732.

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

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 2002225 = 608^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2371889 - 2¹² = 2367793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2371883) 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, 91214 + ... + 91239.

It is an arithmetic number, because the mean of its divisors is an integer number (638589).

2^2371889 is an apocalyptic number.

It is an amenable number.

2371889 is a deficient number, since it is larger than the sum of its proper divisors (182467).

2371889 is a wasteful number, since it uses less digits than its factorization.

2371889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182466.

The product of its digits is 24192, while the sum is 38.

The square root of 2371889 is about 1540.0938283105. The cubic root of 2371889 is about 133.3618015602.

The spelling of 2371889 in words is "two million, three hundred seventy-one thousand, eight hundred eighty-nine".