3639167 has 4 divisors (see below), whose sum is σ = 4159056. Its totient is φ = 3119280.

The previous prime is 3639161. The next prime is 3639193. The reversal of 3639167 is 7619363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7619363 = 107 ⋅71209.

It is a cyclic number.

It is not a de Polignac number, because 3639167 - 2⁴ = 3639151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639161) 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, 259934 + ... + 259947.

It is an arithmetic number, because the mean of its divisors is an integer number (1039764).

Almost surely, 2^3639167 is an apocalyptic number.

3639167 is a deficient number, since it is larger than the sum of its proper divisors (519889).

3639167 is an equidigital number, since it uses as much as digits as its factorization.

3639167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519888.

The product of its digits is 20412, while the sum is 35.

The square root of 3639167 is about 1907.6600850256. The cubic root of 3639167 is about 153.8156984522.

The spelling of 3639167 in words is "three million, six hundred thirty-nine thousand, one hundred sixty-seven".