2289951 has 20 divisors (see below), whose sum is σ = 3624192. Its totient is φ = 1435968.

The previous prime is 2289943. The next prime is 2289953. The reversal of 2289951 is 1599822.

It is not a de Polignac number, because 2289951 - 2³ = 2289943 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289953) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 546 + ... + 2208.

2^2289951 is an apocalyptic number.

2289951 is a deficient number, since it is larger than the sum of its proper divisors (1334241).

2289951 is a wasteful number, since it uses less digits than its factorization.

2289951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1683 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2289951 is about 1513.2584048998. The cubic root of 2289951 is about 131.8080888896.

It can be divided in two parts, 2289 and 951, that added together give a triangular number (3240 = T₈₀).

The spelling of 2289951 in words is "two million, two hundred eighty-nine thousand, nine hundred fifty-one".