2509764 has 12 divisors (see below), whose sum is σ = 5856144. Its totient is φ = 836584.

The previous prime is 2509757. The next prime is 2509777. The reversal of 2509764 is 4679052.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104562 + ... + 104585.

It is an arithmetic number, because the mean of its divisors is an integer number (488012).

2^2509764 is an apocalyptic number.

It is an amenable number.

2509764 is an abundant number, since it is smaller than the sum of its proper divisors (3346380).

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

2509764 is a wasteful number, since it uses less digits than its factorization.

2509764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209154 (or 209152 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2509764 is about 1584.2234690851. The cubic root of 2509764 is about 135.8973417908.

The spelling of 2509764 in words is "two million, five hundred nine thousand, seven hundred sixty-four".