2489171 has 4 divisors (see below), whose sum is σ = 2620200. Its totient is φ = 2358144.

The previous prime is 2489161. The next prime is 2489183. The reversal of 2489171 is 1719842.

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 2489171 - 2⁶ = 2489107 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489111) 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, 65486 + ... + 65523.

It is an arithmetic number, because the mean of its divisors is an integer number (655050).

2^2489171 is an apocalyptic number.

2489171 is a deficient number, since it is larger than the sum of its proper divisors (131029).

2489171 is a wasteful number, since it uses less digits than its factorization.

2489171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131028.

The product of its digits is 4032, while the sum is 32.

The square root of 2489171 is about 1577.7106832369. The cubic root of 2489171 is about 135.5246343468.

The spelling of 2489171 in words is "two million, four hundred eighty-nine thousand, one hundred seventy-one".