2708397 has 20 divisors (see below), whose sum is σ = 4189020. Its totient is φ = 1741824.

The previous prime is 2708371. The next prime is 2708401. The reversal of 2708397 is 7938072.

It can be written as a sum of positive squares in 2 ways, for example, as 1798281 + 910116 = 1341^2 + 954^2 .

It is not a de Polignac number, because 2708397 - 2⁶ = 2708333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2708327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1773 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (209451).

2^2708397 is an apocalyptic number.

2708397 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2708397 is a deficient number, since it is larger than the sum of its proper divisors (1480623).

2708397 is a wasteful number, since it uses less digits than its factorization.

2708397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2708397 is about 1645.7208147192. The cubic root of 2708397 is about 139.3918690328.

The spelling of 2708397 in words is "two million, seven hundred eight thousand, three hundred ninety-seven".