918373 has 4 divisors (see below), whose sum is σ = 925120. Its totient is φ = 911628.

The previous prime is 918371. The next prime is 918389. The reversal of 918373 is 373819.

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, and also an emirpimes, since its reverse is a distinct semiprime: 373819 = 23 ⋅16253.

It is a cyclic number.

It is not a de Polignac number, because 918373 - 2¹ = 918371 is a prime.

It is a Duffinian number.

918373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918371) 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, 3165 + ... + 3442.

It is an arithmetic number, because the mean of its divisors is an integer number (231280).

2⁹¹⁸³⁷³ is an apocalyptic number.

It is an amenable number.

918373 is a deficient number, since it is larger than the sum of its proper divisors (6747).

918373 is a wasteful number, since it uses less digits than its factorization.

918373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746.

The product of its digits is 4536, while the sum is 31.

The square root of 918373 is about 958.3177969755. The cubic root of 918373 is about 97.2015153845.

It can be divided in two parts, 91 and 8373, that added together give a square (8464 = 92²).

The spelling of 918373 in words is "nine hundred eighteen thousand, three hundred seventy-three".