667355 has 8 divisors (see below), whose sum is σ = 862512. Its totient is φ = 492768.

The previous prime is 667351. The next prime is 667361. The reversal of 667355 is 553766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667355 - 2² = 667351 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5069 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (107814).

2⁶⁶⁷³⁵⁵ is an apocalyptic number.

667355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

667355 is a deficient number, since it is larger than the sum of its proper divisors (195157).

667355 is a wasteful number, since it uses less digits than its factorization.

667355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285.

The product of its digits is 18900, while the sum is 32.

The square root of 667355 is about 816.9179885399. The cubic root of 667355 is about 87.3881018596.

The spelling of 667355 in words is "six hundred sixty-seven thousand, three hundred fifty-five".