667364 has 6 divisors (see below), whose sum is σ = 1167894. Its totient is φ = 333680.

The previous prime is 667363. The next prime is 667367. The reversal of 667364 is 463766.

667364 is nontrivially palindromic in base 7.

667364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 43264 = 790^2 + 208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 667364.

It is not an unprimeable number, because it can be changed into a prime (667361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83417 + ... + 83424.

It is an arithmetic number, because the mean of its divisors is an integer number (194649).

2⁶⁶⁷³⁶⁴ is an apocalyptic number.

It is an amenable number.

667364 is a deficient number, since it is larger than the sum of its proper divisors (500530).

667364 is a wasteful number, since it uses less digits than its factorization.

667364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166845 (or 166843 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 667364 is about 816.9234970302. The cubic root of 667364 is about 87.3884946987.

The spelling of 667364 in words is "six hundred sixty-seven thousand, three hundred sixty-four".