2351889 has 8 divisors (see below), whose sum is σ = 3484320. Its totient is φ = 1567908.

The previous prime is 2351863. The next prime is 2351891. The reversal of 2351889 is 9881532.

It is not a de Polignac number, because 2351889 - 2⁵ = 2351857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2351989) 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, 43527 + ... + 43580.

It is an arithmetic number, because the mean of its divisors is an integer number (435540).

2^2351889 is an apocalyptic number.

It is an amenable number.

2351889 is a deficient number, since it is larger than the sum of its proper divisors (1132431).

2351889 is an equidigital number, since it uses as much as digits as its factorization.

2351889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87116 (or 87110 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2351889 is about 1533.5869717756. The cubic root of 2351889 is about 132.9859031171.

It can be divided in two parts, 2351 and 889, that added together give a triangular number (3240 = T₈₀).

The spelling of 2351889 in words is "two million, three hundred fifty-one thousand, eight hundred eighty-nine".