2864783 has 4 divisors (see below), whose sum is σ = 2870208. Its totient is φ = 2859360.

The previous prime is 2864761. The next prime is 2864831. The reversal of 2864783 is 3874682.

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

It is a cyclic number.

It is not a de Polignac number, because 2864783 - 2⁸ = 2864527 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 (2864713) 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, 1823 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (717552).

2^2864783 is an apocalyptic number.

2864783 is a deficient number, since it is larger than the sum of its proper divisors (5425).

2864783 is an equidigital number, since it uses as much as digits as its factorization.

2864783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424.

The product of its digits is 64512, while the sum is 38.

The square root of 2864783 is about 1692.5669853805. The cubic root of 2864783 is about 142.0247097117.

The spelling of 2864783 in words is "two million, eight hundred sixty-four thousand, seven hundred eighty-three".