2566196 has 6 divisors (see below), whose sum is σ = 4490850. Its totient is φ = 1283096.

The previous prime is 2566189. The next prime is 2566199. The reversal of 2566196 is 6916652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2062096 + 504100 = 1436^2 + 710^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320771 + ... + 320778.

It is an arithmetic number, because the mean of its divisors is an integer number (748475).

2^2566196 is an apocalyptic number.

It is an amenable number.

2566196 is a deficient number, since it is larger than the sum of its proper divisors (1924654).

2566196 is a wasteful number, since it uses less digits than its factorization.

2566196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641553 (or 641551 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 2566196 is about 1601.9350798331. The cubic root of 2566196 is about 136.9083515122.

The spelling of 2566196 in words is "two million, five hundred sixty-six thousand, one hundred ninety-six".