2646286 has 4 divisors (see below), whose sum is σ = 3969432. Its totient is φ = 1323142.

The previous prime is 2646269. The next prime is 2646353. The reversal of 2646286 is 6826462.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661570 + ... + 661573.

It is an arithmetic number, because the mean of its divisors is an integer number (992358).

2^2646286 is an apocalyptic number.

2646286 is a deficient number, since it is larger than the sum of its proper divisors (1323146).

2646286 is a wasteful number, since it uses less digits than its factorization.

2646286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323145.

The product of its digits is 27648, while the sum is 34.

The square root of 2646286 is about 1626.7409136061. The cubic root of 2646286 is about 138.3180718958.

The spelling of 2646286 in words is "two million, six hundred forty-six thousand, two hundred eighty-six".