8201667 has 8 divisors (see below), whose sum is σ = 11578896. Its totient is φ = 5146112.

The previous prime is 8201663. The next prime is 8201689. The reversal of 8201667 is 7661028.

It is a happy number.

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 8201667 - 2² = 8201663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8201663) 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 7 ways as a sum of consecutive naturals, for example, 80358 + ... + 80459.

It is an arithmetic number, because the mean of its divisors is an integer number (1447362).

Almost surely, 2^8201667 is an apocalyptic number.

8201667 is a deficient number, since it is larger than the sum of its proper divisors (3377229).

8201667 is a wasteful number, since it uses less digits than its factorization.

8201667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160837.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8201667 is about 2863.8552686894. The cubic root of 8201667 is about 201.6666314535. Note that the first 4 decimals are identical.

The spelling of 8201667 in words is "eight million, two hundred one thousand, six hundred sixty-seven".