2678396 has 24 divisors (see below), whose sum is σ = 5591040. Its totient is φ = 1097712.

The previous prime is 2678387. The next prime is 2678399. The reversal of 2678396 is 6938762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (232960).

2^2678396 is an apocalyptic number.

It is an amenable number.

2678396 is an abundant number, since it is smaller than the sum of its proper divisors (2912644).

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

2678396 is a wasteful number, since it uses less digits than its factorization.

2678396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193 (or 4191 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 2678396 is about 1636.5805815786. The cubic root of 2678396 is about 138.8752741380.

The spelling of 2678396 in words is "two million, six hundred seventy-eight thousand, three hundred ninety-six".