671104 has 48 divisors (see below), whose sum is σ = 1569780. Its totient is φ = 284928.

The previous prime is 671093. The next prime is 671123. The reversal of 671104 is 401176.

671104 = 9³ + 10³ + ... + 40³.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

671104 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 5 ways as a sum of consecutive naturals, for example, 6219 + ... + 6325.

2⁶⁷¹¹⁰⁴ is an apocalyptic number.

671104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784890).

671104 is an abundant number, since it is smaller than the sum of its proper divisors (898676).

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

671104 is a wasteful number, since it uses less digits than its factorization.

671104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 671104 is about 819.2093749464. The cubic root of 671104 is about 87.5514364241.

It can be divided in two parts, 6 and 71104, that multiplied together give a palindrome (426624).

The spelling of 671104 in words is "six hundred seventy-one thousand, one hundred four".