2945872 has 10 divisors (see below), whose sum is σ = 5707658. Its totient is φ = 1472928.

The previous prime is 2945869. The next prime is 2945933. The reversal of 2945872 is 2785492.

2945872 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 only one way, i.e., 1700416 + 1245456 = 1304^2 + 1116^2 .

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 as a sum of consecutive naturals, namely, 92043 + ... + 92074.

2^2945872 is an apocalyptic number.

It is an amenable number.

2945872 is a deficient number, since it is larger than the sum of its proper divisors (2761786).

2945872 is a wasteful number, since it uses less digits than its factorization.

2945872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184125 (or 184119 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 2945872 is about 1716.3542757834. The cubic root of 2945872 is about 143.3522864187.

The spelling of 2945872 in words is "two million, nine hundred forty-five thousand, eight hundred seventy-two".