2708489 has 4 divisors (see below), whose sum is σ = 3095424. Its totient is φ = 2321556.

The previous prime is 2708483. The next prime is 2708509. The reversal of 2708489 is 9848072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2708489 - 2¹² = 2704393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2708483) 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, 193457 + ... + 193470.

It is an arithmetic number, because the mean of its divisors is an integer number (773856).

2^2708489 is an apocalyptic number.

It is an amenable number.

2708489 is a deficient number, since it is larger than the sum of its proper divisors (386935).

2708489 is an equidigital number, since it uses as much as digits as its factorization.

2708489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386934.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2708489 is about 1645.7487657598. The cubic root of 2708489 is about 139.3934473226.

The spelling of 2708489 in words is "two million, seven hundred eight thousand, four hundred eighty-nine".