2636340 has 48 divisors (see below), whose sum is σ = 8437632. Its totient is φ = 602496.

The previous prime is 2636339. The next prime is 2636353. The reversal of 2636340 is 436362.

It is a self number, because there is not a number n which added to its sum of digits gives 2636340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719 + ... + 3558.

It is an arithmetic number, because the mean of its divisors is an integer number (175784).

2^2636340 is an apocalyptic number.

2636340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2636340 is an abundant number, since it is smaller than the sum of its proper divisors (5801292).

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

2636340 is a wasteful number, since it uses less digits than its factorization.

2636340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296 (or 6294 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2636340 is about 1623.6810031530. The cubic root of 2636340 is about 138.1445659990.

The spelling of 2636340 in words is "two million, six hundred thirty-six thousand, three hundred forty".