867449 has 12 divisors (see below), whose sum is σ = 976752. Its totient is φ = 769560.

The previous prime is 867443. The next prime is 867457. The reversal of 867449 is 944768.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-867449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867449.

It is not an unprimeable number, because it can be changed into a prime (867443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8054 + ... + 8160.

It is an arithmetic number, because the mean of its divisors is an integer number (81396).

2⁸⁶⁷⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

867449 is a deficient number, since it is larger than the sum of its proper divisors (109303).

867449 is a wasteful number, since it uses less digits than its factorization.

867449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 185 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 867449 is about 931.3694218730. The cubic root of 867449 is about 95.3706297199.

The spelling of 867449 in words is "eight hundred sixty-seven thousand, four hundred forty-nine".