2863487 has 4 divisors (see below), whose sum is σ = 3123816. Its totient is φ = 2603160.

The previous prime is 2863457. The next prime is 2863493. The reversal of 2863487 is 7843682.

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 2863487 - 2⁶ = 2863423 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 2863487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863457) 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, 130148 + ... + 130169.

It is an arithmetic number, because the mean of its divisors is an integer number (780954).

2^2863487 is an apocalyptic number.

2863487 is a deficient number, since it is larger than the sum of its proper divisors (260329).

2863487 is a wasteful number, since it uses less digits than its factorization.

2863487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260328.

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

The square root of 2863487 is about 1692.1840916402. The cubic root of 2863487 is about 142.0032896150.

It can be divided in two parts, 286 and 3487, that added together give a palindrome (3773).

The spelling of 2863487 in words is "two million, eight hundred sixty-three thousand, four hundred eighty-seven".