167947 has 4 divisors (see below), whose sum is σ = 180880. Its totient is φ = 155016.

The previous prime is 167917. The next prime is 167953. The reversal of 167947 is 749761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167947 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (167917) 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, 6447 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (45220).

2¹⁶⁷⁹⁴⁷ is an apocalyptic number.

167947 is a deficient number, since it is larger than the sum of its proper divisors (12933).

167947 is a wasteful number, since it uses less digits than its factorization.

167947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932.

The product of its digits is 10584, while the sum is 34.

The square root of 167947 is about 409.8133721586. The cubic root of 167947 is about 55.1726804181.

The spelling of 167947 in words is "one hundred sixty-seven thousand, nine hundred forty-seven".