2969945 has 12 divisors (see below), whose sum is σ = 3918180. Its totient is φ = 2159520.

The previous prime is 2969933. The next prime is 2969959. The reversal of 2969945 is 5499692.

2969945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2271049 + 698896 = 1507^2 + 836^2 .

It is not a de Polignac number, because 2969945 - 2⁴ = 2969929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2969896 and 2969905.

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 11 ways as a sum of consecutive naturals, for example, 1850 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (326515).

2^2969945 is an apocalyptic number.

It is an amenable number.

2969945 is a deficient number, since it is larger than the sum of its proper divisors (948235).

2969945 is a wasteful number, since it uses less digits than its factorization.

2969945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936 (or 4925 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 2969945 is about 1723.3528367691. The cubic root of 2969945 is about 143.7417084064.

The spelling of 2969945 in words is "two million, nine hundred sixty-nine thousand, nine hundred forty-five".