2425806 has 48 divisors (see below), whose sum is σ = 5700240. Its totient is φ = 743040.

The previous prime is 2425799. The next prime is 2425837. The reversal of 2425806 is 6085242.

It is a self number, because there is not a number n which added to its sum of digits gives 2425806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13936 + ... + 14108.

It is an arithmetic number, because the mean of its divisors is an integer number (118755).

2^2425806 is an apocalyptic number.

It is a pronic number, being equal to 1557×1558.

It is a practical number, because each smaller number is the sum of distinct divisors of 2425806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850120).

2425806 is an abundant number, since it is smaller than the sum of its proper divisors (3274434).

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

2425806 is a wasteful number, since it uses less digits than its factorization.

2425806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2425806 is about 1557.4999197432. The cubic root of 2425806 is about 134.3647521300.

The spelling of 2425806 in words is "two million, four hundred twenty-five thousand, eight hundred six".