197667 has 8 divisors (see below), whose sum is σ = 292880. Its totient is φ = 131760.

The previous prime is 197651. The next prime is 197677. The reversal of 197667 is 766791.

It is not a de Polignac number, because 197667 - 2⁴ = 197651 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (197647) 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, 3634 + ... + 3687.

It is an arithmetic number, because the mean of its divisors is an integer number (36610).

2¹⁹⁷⁶⁶⁷ is an apocalyptic number.

197667 is a deficient number, since it is larger than the sum of its proper divisors (95213).

197667 is an equidigital number, since it uses as much as digits as its factorization.

197667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330 (or 7324 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 197667 is about 444.5975708436. The cubic root of 197667 is about 58.2520737042.

The spelling of 197667 in words is "one hundred ninety-seven thousand, six hundred sixty-seven".