2548806 has 32 divisors (see below), whose sum is σ = 5630688. Its totient is φ = 764160.

The previous prime is 2548783. The next prime is 2548813. The reversal of 2548806 is 6088452.

2548806 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a Curzon number.

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, 2800 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (175959).

2^2548806 is an apocalyptic number.

2548806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2548806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815344).

2548806 is an abundant number, since it is smaller than the sum of its proper divisors (3081882).

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

2548806 is a wasteful number, since it uses less digits than its factorization.

2548806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2548806 is about 1596.4980425920. The cubic root of 2548806 is about 136.5983940840.

The spelling of 2548806 in words is "two million, five hundred forty-eight thousand, eight hundred six".