2840763 has 8 divisors (see below), whose sum is σ = 3813376. Its totient is φ = 1881000.

The previous prime is 2840759. The next prime is 2840771. The reversal of 2840763 is 3670482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2840763 - 2² = 2840759 is a prime.

It is a Duffinian number.

2840763 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2840763.

It is not an unprimeable number, because it can be changed into a prime (2840723) 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 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (476672).

2^2840763 is an apocalyptic number.

2840763 is a deficient number, since it is larger than the sum of its proper divisors (972613).

2840763 is a wasteful number, since it uses less digits than its factorization.

2840763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2840763 is about 1685.4563180338. The cubic root of 2840763 is about 141.6266559827.

The spelling of 2840763 in words is "two million, eight hundred forty thousand, seven hundred sixty-three".