918449 has 8 divisors (see below), whose sum is σ = 1056960. Its totient is φ = 781776.

The previous prime is 918443. The next prime is 918469. The reversal of 918449 is 944819.

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

It is a cyclic number.

It is not a de Polignac number, because 918449 - 2⁴ = 918433 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 918449.

It is not an unprimeable number, because it can be changed into a prime (918443) 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, 887 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (132120).

2⁹¹⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

918449 is a deficient number, since it is larger than the sum of its proper divisors (138511).

918449 is a wasteful number, since it uses less digits than its factorization.

918449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its digits is 10368, while the sum is 35.

The square root of 918449 is about 958.3574489719. The cubic root of 918449 is about 97.2041966158.

The spelling of 918449 in words is "nine hundred eighteen thousand, four hundred forty-nine".