3645167 has 4 divisors (see below), whose sum is σ = 3651480. Its totient is φ = 3638856.

The previous prime is 3645151. The next prime is 3645193. The reversal of 3645167 is 7615463.

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

It is a cyclic number.

It is not a de Polignac number, because 3645167 - 2⁴ = 3645151 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (912870).

Almost surely, 2^3645167 is an apocalyptic number.

3645167 is a deficient number, since it is larger than the sum of its proper divisors (6313).

3645167 is an equidigital number, since it uses as much as digits as its factorization.

3645167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312.

The product of its digits is 15120, while the sum is 32.

The square root of 3645167 is about 1909.2320445666. The cubic root of 3645167 is about 153.9001855023.

The spelling of 3645167 in words is "three million, six hundred forty-five thousand, one hundred sixty-seven".