862459 has 4 divisors (see below), whose sum is σ = 928816. Its totient is φ = 796104.

The previous prime is 862447. The next prime is 862471. The reversal of 862459 is 954268.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (862447) and next prime (862471).

It is a cyclic number.

It is not a de Polignac number, because 862459 - 2⁷ = 862331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (862409) 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, 33159 + ... + 33184.

It is an arithmetic number, because the mean of its divisors is an integer number (232204).

2⁸⁶²⁴⁵⁹ is an apocalyptic number.

862459 is a deficient number, since it is larger than the sum of its proper divisors (66357).

862459 is a wasteful number, since it uses less digits than its factorization.

862459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66356.

The product of its digits is 17280, while the sum is 34.

The square root of 862459 is about 928.6867071300. The cubic root of 862459 is about 95.1874047668.

Subtracting 862459 from its reverse (954268), we obtain a square (91809 = 303²).

The spelling of 862459 in words is "eight hundred sixty-two thousand, four hundred fifty-nine".