918974 has 16 divisors (see below), whose sum is σ = 1614816. Its totient is φ = 384000.

The previous prime is 918971. The next prime is 918989. The reversal of 918974 is 479819.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 918974.

It is not an unprimeable number, because it can be changed into a prime (918971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (100926).

2⁹¹⁸⁹⁷⁴ is an apocalyptic number.

918974 is a deficient number, since it is larger than the sum of its proper divisors (695842).

918974 is a wasteful number, since it uses less digits than its factorization.

918974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its digits is 18144, while the sum is 38.

The square root of 918974 is about 958.6313159917. The cubic root of 918974 is about 97.2227142409. Note that the first 3 decimals are identical.

The spelling of 918974 in words is "nine hundred eighteen thousand, nine hundred seventy-four".