2594666 has 4 divisors (see below), whose sum is σ = 3892002. Its totient is φ = 1297332.

The previous prime is 2594611. The next prime is 2594671. The reversal of 2594666 is 6664952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 758641 = 1355^2 + 871^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648665 + ... + 648668.

2^2594666 is an apocalyptic number.

2594666 is a deficient number, since it is larger than the sum of its proper divisors (1297336).

2594666 is a wasteful number, since it uses less digits than its factorization.

2594666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297335.

The product of its digits is 77760, while the sum is 38.

The square root of 2594666 is about 1610.7966972899. The cubic root of 2594666 is about 137.4127887739.

The spelling of 2594666 in words is "two million, five hundred ninety-four thousand, six hundred sixty-six".