2295640 has 32 divisors (see below), whose sum is σ = 5346000. Its totient is φ = 886144.

The previous prime is 2295619. The next prime is 2295647. The reversal of 2295640 is 465922.

It is a junction number, because it is equal to n+sod(n) for n = 2295599 and 2295608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2295647) 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, 171 + ... + 2149.

2^2295640 is an apocalyptic number.

2295640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2295640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673000).

2295640 is an abundant number, since it is smaller than the sum of its proper divisors (3050360).

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

2295640 is a wasteful number, since it uses less digits than its factorization.

2295640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2295640 is about 1515.1369575058. The cubic root of 2295640 is about 131.9171503367.

The spelling of 2295640 in words is "two million, two hundred ninety-five thousand, six hundred forty".