667852 has 12 divisors (see below), whose sum is σ = 1180816. Its totient is φ = 330480.

The previous prime is 667837. The next prime is 667859. The reversal of 667852 is 258766.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (667859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399 + ... + 1222.

2⁶⁶⁷⁸⁵² is an apocalyptic number.

It is an amenable number.

667852 is a deficient number, since it is larger than the sum of its proper divisors (512964).

667852 is a wasteful number, since it uses less digits than its factorization.

667852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1726 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 667852 is about 817.2221240275. Note that the first 3 decimals coincide. The cubic root of 667852 is about 87.4097900213.

The spelling of 667852 in words is "six hundred sixty-seven thousand, eight hundred fifty-two".