2540964 has 12 divisors (see below), whose sum is σ = 5928944. Its totient is φ = 846984.

The previous prime is 2540963. The next prime is 2540969. The reversal of 2540964 is 4690452.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2540963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105862 + ... + 105885.

2^2540964 is an apocalyptic number.

It is an amenable number.

2540964 is an abundant number, since it is smaller than the sum of its proper divisors (3387980).

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

2540964 is a wasteful number, since it uses less digits than its factorization.

2540964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211754 (or 211752 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2540964 is about 1594.0401500590. The cubic root of 2540964 is about 136.4581578202.

The spelling of 2540964 in words is "two million, five hundred forty thousand, nine hundred sixty-four".