2645826 has 16 divisors (see below), whose sum is σ = 5570400. Its totient is φ = 835488.

The previous prime is 2645809. The next prime is 2645827. The reversal of 2645826 is 6285462.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2645827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11491 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (348150).

2^2645826 is an apocalyptic number.

2645826 is an abundant number, since it is smaller than the sum of its proper divisors (2924574).

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

2645826 is a wasteful number, since it uses less digits than its factorization.

2645826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233.

The product of its digits is 23040, while the sum is 33.

The square root of 2645826 is about 1626.5995204721. The cubic root of 2645826 is about 138.3100568891.

The spelling of 2645826 in words is "two million, six hundred forty-five thousand, eight hundred twenty-six".