2864039 has 4 divisors (see below), whose sum is σ = 2925024. Its totient is φ = 2803056.

The previous prime is 2864033. The next prime is 2864051. The reversal of 2864039 is 9304682.

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 2864039 - 2⁴ = 2864023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2863996 and 2864014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864033) 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, 30422 + ... + 30515.

It is an arithmetic number, because the mean of its divisors is an integer number (731256).

2^2864039 is an apocalyptic number.

2864039 is a deficient number, since it is larger than the sum of its proper divisors (60985).

2864039 is an equidigital number, since it uses as much as digits as its factorization.

2864039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60984.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2864039 is about 1692.3471866021. The cubic root of 2864039 is about 142.0124137795.

The spelling of 2864039 in words is "two million, eight hundred sixty-four thousand, thirty-nine".