2459865 has 8 divisors (see below), whose sum is σ = 3935808. Its totient is φ = 1311920.

The previous prime is 2459861. The next prime is 2459869. The reversal of 2459865 is 5689542.

It is an interprime number because it is at equal distance from previous prime (2459861) and next prime (2459869).

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

It is not a de Polignac number, because 2459865 - 2² = 2459861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2459861) 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, 81981 + ... + 82010.

It is an arithmetic number, because the mean of its divisors is an integer number (491976).

2^2459865 is an apocalyptic number.

It is an amenable number.

2459865 is a deficient number, since it is larger than the sum of its proper divisors (1475943).

2459865 is a wasteful number, since it uses less digits than its factorization.

2459865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163999.

The product of its digits is 86400, while the sum is 39.

The square root of 2459865 is about 1568.3956771172. The cubic root of 2459865 is about 134.9906715091.

The spelling of 2459865 in words is "two million, four hundred fifty-nine thousand, eight hundred sixty-five".