860449 has 4 divisors (see below), whose sum is σ = 872640. Its totient is φ = 848260.

The previous prime is 860441. The next prime is 860479. The reversal of 860449 is 944068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 860449 - 2³ = 860441 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 860449.

It is not an unprimeable number, because it can be changed into a prime (860441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5989 + ... + 6130.

It is an arithmetic number, because the mean of its divisors is an integer number (218160).

2⁸⁶⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

860449 is a deficient number, since it is larger than the sum of its proper divisors (12191).

860449 is a wasteful number, since it uses less digits than its factorization.

860449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 860449 is about 927.6039025360. The cubic root of 860449 is about 95.1134010526.

The spelling of 860449 in words is "eight hundred sixty thousand, four hundred forty-nine".