2945670 has 96 divisors (see below), whose sum is σ = 8854272. Its totient is φ = 614016.

The previous prime is 2945669. The next prime is 2945707. The reversal of 2945670 is 765492.

2945670 = 470² + 471² + ... + 482².

2945670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35449 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (92232).

2^2945670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2945670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4427136).

2945670 is an abundant number, since it is smaller than the sum of its proper divisors (5908602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945670 is a wasteful number, since it uses less digits than its factorization.

2945670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2945670 is about 1716.2954291147. The cubic root of 2945670 is about 143.3490097631.

The spelling of 2945670 in words is "two million, nine hundred forty-five thousand, six hundred seventy".