3645166 has 32 divisors (see below), whose sum is σ = 6653952. Its totient is φ = 1464480.

The previous prime is 3645151. The next prime is 3645193. The reversal of 3645166 is 6615463.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15945 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (207936).

Almost surely, 2^3645166 is an apocalyptic number.

3645166 is a deficient number, since it is larger than the sum of its proper divisors (3008786).

3645166 is a wasteful number, since it uses less digits than its factorization.

3645166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 12960, while the sum is 31.

The square root of 3645166 is about 1909.2317826812. The cubic root of 3645166 is about 153.9001714289.

The spelling of 3645166 in words is "three million, six hundred forty-five thousand, one hundred sixty-six".