2708904 has 64 divisors (see below), whose sum is σ = 7649280. Its totient is φ = 792000.

The previous prime is 2708903. The next prime is 2708941. The reversal of 2708904 is 4098072.

It is not an unprimeable number, because it can be changed into a prime (2708903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8019 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (119520).

2^2708904 is an apocalyptic number.

2708904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2708904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3824640).

2708904 is an abundant number, since it is smaller than the sum of its proper divisors (4940376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2708904 is a wasteful number, since it uses less digits than its factorization.

2708904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2708904 is about 1645.8748433584. The cubic root of 2708904 is about 139.4005663382.

The spelling of 2708904 in words is "two million, seven hundred eight thousand, nine hundred four".