2945806 has 8 divisors (see below), whose sum is σ = 4561344. Its totient is φ = 1425360.

The previous prime is 2945773. The next prime is 2945807. The reversal of 2945806 is 6085492.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23695 + ... + 23818.

It is an arithmetic number, because the mean of its divisors is an integer number (570168).

2^2945806 is an apocalyptic number.

2945806 is a deficient number, since it is larger than the sum of its proper divisors (1615538).

2945806 is a wasteful number, since it uses less digits than its factorization.

2945806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47546.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2945806 is about 1716.3350488759. The cubic root of 2945806 is about 143.3512158447.

The spelling of 2945806 in words is "two million, nine hundred forty-five thousand, eight hundred six".