2708778 has 16 divisors (see below), whose sum is σ = 5433696. Its totient is φ = 900240.

The previous prime is 2708767. The next prime is 2708801. The reversal of 2708778 is 8778072.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3625 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (339606).

2^2708778 is an apocalyptic number.

2708778 is an abundant number, since it is smaller than the sum of its proper divisors (2724918).

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

2708778 is a wasteful number, since it uses less digits than its factorization.

2708778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 2708778 is about 1645.8365653977. The cubic root of 2708778 is about 139.3984049790.

It can be divided in two parts, 2708 and 778, that added together give a triangular number (3486 = T₈₃).

The spelling of 2708778 in words is "two million, seven hundred eight thousand, seven hundred seventy-eight".