2864345 has 16 divisors (see below), whose sum is σ = 3948480. Its totient is φ = 1972800.

The previous prime is 2864341. The next prime is 2864357. The reversal of 2864345 is 5434682.

It is not a de Polignac number, because 2864345 - 2² = 2864341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2864341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 326 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (246780).

2^2864345 is an apocalyptic number.

It is an amenable number.

2864345 is a deficient number, since it is larger than the sum of its proper divisors (1084135).

2864345 is a wasteful number, since it uses less digits than its factorization.

2864345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776.

The product of its digits is 23040, while the sum is 32.

The square root of 2864345 is about 1692.4375911684. The cubic root of 2864345 is about 142.0174712352.

The spelling of 2864345 in words is "two million, eight hundred sixty-four thousand, three hundred forty-five".