2297646 has 40 divisors (see below), whose sum is σ = 5549544. Its totient is φ = 706320.

The previous prime is 2297597. The next prime is 2297653. The reversal of 2297646 is 6467922.

It is a happy number.

2297646 is a `hidden beast` number, since 2 + 2 + 9 + 7 + 646 = 666.

2297646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2297646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1561 + ... + 2651.

2^2297646 is an apocalyptic number.

2297646 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 2297646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774772).

2297646 is an abundant number, since it is smaller than the sum of its proper divisors (3251898).

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

2297646 is a wasteful number, since it uses less digits than its factorization.

2297646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1109 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2297646 is about 1515.7987993134. The cubic root of 2297646 is about 131.9555635550.

It can be divided in two parts, 229 and 7646, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 2297646 in words is "two million, two hundred ninety-seven thousand, six hundred forty-six".