2708408406 has 64 divisors (see below), whose sum is σ = 6067987200. Its totient is φ = 798819840.

The previous prime is 2708408389. The next prime is 2708408407. The reversal of 2708408406 is 6048048072.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2708408407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886770 + ... + 889818.

It is an arithmetic number, because the mean of its divisors is an integer number (94812300).

Almost surely, 2^2708408406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2708408406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033993600).

2708408406 is an abundant number, since it is smaller than the sum of its proper divisors (3359578794).

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

2708408406 is a wasteful number, since it uses less digits than its factorization.

2708408406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 2708408406 is about 52042.3712565060. The cubic root of 2708408406 is about 1393.9206470833.

It can be divided in two parts, 2708 and 408406, that added together give a palindrome (411114).

The spelling of 2708408406 in words is "two billion, seven hundred eight million, four hundred eight thousand, four hundred six".