2591464 has 8 divisors (see below), whose sum is σ = 4859010. Its totient is φ = 1295728.

The previous prime is 2591461. The next prime is 2591471. The reversal of 2591464 is 4641952.

2591464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 311364 = 1510^2 + 558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2591461) by changing a digit.

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 as a sum of consecutive naturals, namely, 161959 + ... + 161974.

2^2591464 is an apocalyptic number.

It is an amenable number.

2591464 is a deficient number, since it is larger than the sum of its proper divisors (2267546).

2591464 is a wasteful number, since it uses less digits than its factorization.

2591464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323939 (or 323935 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2591464 is about 1609.8024723549. The cubic root of 2591464 is about 137.3562398297.

The spelling of 2591464 in words is "two million, five hundred ninety-one thousand, four hundred sixty-four".