2497806 has 24 divisors (see below), whose sum is σ = 5447520. Its totient is φ = 827136.

The previous prime is 2497801. The next prime is 2497811. The reversal of 2497806 is 6087942.

It is an interprime number because it is at equal distance from previous prime (2497801) and next prime (2497811).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3115 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (226980).

2^2497806 is an apocalyptic number.

2497806 is an abundant number, since it is smaller than the sum of its proper divisors (2949714).

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

2497806 is a wasteful number, since it uses less digits than its factorization.

2497806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2497806 is about 1580.4448740782. Note that the first 3 decimals coincide. The cubic root of 2497806 is about 135.6811663280.

The spelling of 2497806 in words is "two million, four hundred ninety-seven thousand, eight hundred six".