2945970 has 40 divisors (see below), whose sum is σ = 7923564. Its totient is φ = 785376.

The previous prime is 2945959. The next prime is 2945983. The reversal of 2945970 is 795492.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 408321 = 1593^2 + 639^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1009 + ... + 2628.

2^2945970 is an apocalyptic number.

2945970 is an abundant number, since it is smaller than the sum of its proper divisors (4977594).

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

2945970 is a wasteful number, since it uses less digits than its factorization.

2945970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2945970 is about 1716.3828244305. The cubic root of 2945970 is about 143.3538760293.

The spelling of 2945970 in words is "two million, nine hundred forty-five thousand, nine hundred seventy".