2578296 has 64 divisors (see below), whose sum is σ = 7488000. Its totient is φ = 724608.

The previous prime is 2578273. The next prime is 2578297. The reversal of 2578296 is 6928752.

It is a happy number.

It is a super-2 number, since 2×2578296² = 13295220527232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578297) 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 15 ways as a sum of consecutive naturals, for example, 17230 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (117000).

2^2578296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3744000).

2578296 is an abundant number, since it is smaller than the sum of its proper divisors (4909704).

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

2578296 is a wasteful number, since it uses less digits than its factorization.

2578296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 2578296 is about 1605.7073207780. The cubic root of 2578296 is about 137.1231953460.

It can be divided in two parts, 25782 and 96, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 2578296 in words is "two million, five hundred seventy-eight thousand, two hundred ninety-six".