2580396 has 96 divisors (see below), whose sum is σ = 7902720. Its totient is φ = 635904.

The previous prime is 2580341. The next prime is 2580401. The reversal of 2580396 is 6930852.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18495 + ... + 18633.

It is an arithmetic number, because the mean of its divisors is an integer number (82320).

2^2580396 is an apocalyptic number.

2580396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2580396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951360).

2580396 is an abundant number, since it is smaller than the sum of its proper divisors (5322324).

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

2580396 is a wasteful number, since it uses less digits than its factorization.

2580396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2580396 is about 1606.3611051068. The cubic root of 2580396 is about 137.1604137990.

The spelling of 2580396 in words is "two million, five hundred eighty thousand, three hundred ninety-six".