2543676 has 48 divisors (see below), whose sum is σ = 6473376. Its totient is φ = 774144.

The previous prime is 2543657. The next prime is 2543699. The reversal of 2543676 is 6763452.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7380 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (134862).

2^2543676 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 2543676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236688).

2543676 is an abundant number, since it is smaller than the sum of its proper divisors (3929700).

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

2543676 is a wasteful number, since it uses less digits than its factorization.

2543676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 2543676 is about 1594.8905918589. The cubic root of 2543676 is about 136.5066883438.

The spelling of 2543676 in words is "two million, five hundred forty-three thousand, six hundred seventy-six".