2649806 has 8 divisors (see below), whose sum is σ = 3983904. Its totient is φ = 1321840.

The previous prime is 2649799. The next prime is 2649811. The reversal of 2649806 is 6089462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (497988).

2^2649806 is an apocalyptic number.

2649806 is a deficient number, since it is larger than the sum of its proper divisors (1334098).

2649806 is a wasteful number, since it uses less digits than its factorization.

2649806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2649806 is about 1627.8224718931. The cubic root of 2649806 is about 138.3793733948.

The spelling of 2649806 in words is "two million, six hundred forty-nine thousand, eight hundred six".