2509746 has 16 divisors (see below), whose sum is σ = 5049408. Its totient is φ = 831600.

The previous prime is 2509721. The next prime is 2509757. The reversal of 2509746 is 6479052.

2509746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 70 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (315588).

2^2509746 is an apocalyptic number.

2509746 is an abundant number, since it is smaller than the sum of its proper divisors (2539662).

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

2509746 is a wasteful number, since it uses less digits than its factorization.

2509746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

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

The square root of 2509746 is about 1584.2177880582. The cubic root of 2509746 is about 135.8970169053.

The spelling of 2509746 in words is "two million, five hundred nine thousand, seven hundred forty-six".