918448 has 20 divisors (see below), whose sum is σ = 1796760. Its totient is φ = 454784.

The previous prime is 918443. The next prime is 918469. The reversal of 918448 is 844819.

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 3 ways as a sum of consecutive naturals, for example, 1983 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (89838).

2⁹¹⁸⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

918448 is a deficient number, since it is larger than the sum of its proper divisors (878312).

918448 is a wasteful number, since it uses less digits than its factorization.

918448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 558 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 918448 is about 958.3569272458. The cubic root of 918448 is about 97.2041613374.

The spelling of 918448 in words is "nine hundred eighteen thousand, four hundred forty-eight".