2708491 has 8 divisors (see below), whose sum is σ = 2896560. Its totient is φ = 2523648.

The previous prime is 2708483. The next prime is 2708509. The reversal of 2708491 is 1948072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2708491 - 2³ = 2708483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2708401) 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, 1075 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (362070).

2^2708491 is an apocalyptic number.

2708491 is a deficient number, since it is larger than the sum of its proper divisors (188069).

2708491 is a wasteful number, since it uses less digits than its factorization.

2708491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2708491 is about 1645.7493733859. The cubic root of 2708491 is about 139.3934816329.

The spelling of 2708491 in words is "two million, seven hundred eight thousand, four hundred ninety-one".