2863913 has 4 divisors (see below), whose sum is σ = 3084228. Its totient is φ = 2643600.

The previous prime is 2863909. The next prime is 2863921. The reversal of 2863913 is 3193682.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 1669264 = 1093^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863913 - 2² = 2863909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2863913.

It is not an unprimeable number, because it can be changed into a prime (2863943) 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, 110138 + ... + 110163.

It is an arithmetic number, because the mean of its divisors is an integer number (771057).

2^2863913 is an apocalyptic number.

It is an amenable number.

2863913 is a deficient number, since it is larger than the sum of its proper divisors (220315).

2863913 is a wasteful number, since it uses less digits than its factorization.

2863913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220314.

The product of its digits is 7776, while the sum is 32.

The square root of 2863913 is about 1692.3099597887. The cubic root of 2863913 is about 142.0103311931.

The spelling of 2863913 in words is "two million, eight hundred sixty-three thousand, nine hundred thirteen".