2591946 has 32 divisors (see below), whose sum is σ = 6583680. Its totient is φ = 740448.

The previous prime is 2591921. The next prime is 2591969. The reversal of 2591946 is 6491952.

2591946 is nontrivially palindromic in base 13.

2591946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2591946.

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 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (205740).

2^2591946 is an apocalyptic number.

2591946 is an abundant number, since it is smaller than the sum of its proper divisors (3991734).

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

2591946 is a wasteful number, since it uses less digits than its factorization.

2591946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875 (or 6869 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2591946 is about 1609.9521732027. The cubic root of 2591946 is about 137.3647551712.

The spelling of 2591946 in words is "two million, five hundred ninety-one thousand, nine hundred forty-six".