2864047 has 4 divisors (see below), whose sum is σ = 2870416. Its totient is φ = 2857680.

The previous prime is 2864033. The next prime is 2864051. The reversal of 2864047 is 7404682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2864047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454 + ... + 3427.

It is an arithmetic number, because the mean of its divisors is an integer number (717604).

2^2864047 is an apocalyptic number.

2864047 is a deficient number, since it is larger than the sum of its proper divisors (6369).

2864047 is an equidigital number, since it uses as much as digits as its factorization.

2864047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2864047 is about 1692.3495501816. The cubic root of 2864047 is about 142.0125460052.

The spelling of 2864047 in words is "two million, eight hundred sixty-four thousand, forty-seven".