918672 has 20 divisors (see below), whose sum is σ = 2373360. Its totient is φ = 306208.

The previous prime is 918653. The next prime is 918677. The reversal of 918672 is 276819.

It is not an unprimeable number, because it can be changed into a prime (918677) by changing a digit.

918672 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9522 + ... + 9617.

It is an arithmetic number, because the mean of its divisors is an integer number (118668).

2⁹¹⁸⁶⁷² is an apocalyptic number.

It is an amenable number.

918672 is an abundant number, since it is smaller than the sum of its proper divisors (1454688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

918672 is a wasteful number, since it uses less digits than its factorization.

918672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19150 (or 19144 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 918672 is about 958.4737868090. The cubic root of 918672 is about 97.2120630594.

It can be divided in two parts, 9 and 18672, that added together give a palindrome (18681).

The spelling of 918672 in words is "nine hundred eighteen thousand, six hundred seventy-two".