918473 has 4 divisors (see below), whose sum is σ = 920448. Its totient is φ = 916500.

The previous prime is 918469. The next prime is 918481. The reversal of 918473 is 374819.

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 918473 - 2² = 918469 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 918473.

It is not an unprimeable number, because it can be changed into a prime (918433) 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, 140 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (230112).

2⁹¹⁸⁴⁷³ is an apocalyptic number.

It is an amenable number.

918473 is a deficient number, since it is larger than the sum of its proper divisors (1975).

918473 is a wasteful number, since it uses less digits than its factorization.

918473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its digits is 6048, while the sum is 32.

The square root of 918473 is about 958.3699703142. The cubic root of 918473 is about 97.2050432897.

The spelling of 918473 in words is "nine hundred eighteen thousand, four hundred seventy-three".