2863489 has 8 divisors (see below), whose sum is σ = 2981160. Its totient is φ = 2747136.

The previous prime is 2863457. The next prime is 2863493. The reversal of 2863489 is 9843682.

It can be written as a sum of positive squares in 4 ways, for example, as 810000 + 2053489 = 900^2 + 1433^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2863489 - 2⁵ = 2863457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2863589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8329 + ... + 8665.

It is an arithmetic number, because the mean of its divisors is an integer number (372645).

2^2863489 is an apocalyptic number.

2863489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2863489 is a deficient number, since it is larger than the sum of its proper divisors (117671).

2863489 is a wasteful number, since it uses less digits than its factorization.

2863489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 82944, while the sum is 40.

The square root of 2863489 is about 1692.1846825923. The cubic root of 2863489 is about 142.0033226757.

The spelling of 2863489 in words is "two million, eight hundred sixty-three thousand, four hundred eighty-nine".