667359 has 40 divisors (see below), whose sum is σ = 1254528. Its totient is φ = 343440.

The previous prime is 667351. The next prime is 667361. The reversal of 667359 is 953766.

It is a happy number.

It is not a de Polignac number, because 667359 - 2³ = 667351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6184 + ... + 6290.

2⁶⁶⁷³⁵⁹ is an apocalyptic number.

667359 is a deficient number, since it is larger than the sum of its proper divisors (587169).

667359 is a wasteful number, since it uses less digits than its factorization.

667359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 128 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 667359 is about 816.9204367624. The cubic root of 667359 is about 87.3882764552.

The spelling of 667359 in words is "six hundred sixty-seven thousand, three hundred fifty-nine".