3650165 has 4 divisors (see below), whose sum is σ = 4380204. Its totient is φ = 2920128.

The previous prime is 3650159. The next prime is 3650167. The reversal of 3650165 is 5610563.

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

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 2900209 = 866^2 + 1703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3650165 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3650167) 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, 365012 + ... + 365021.

It is an arithmetic number, because the mean of its divisors is an integer number (1095051).

Almost surely, 2^3650165 is an apocalyptic number.

It is an amenable number.

3650165 is a deficient number, since it is larger than the sum of its proper divisors (730039).

3650165 is an equidigital number, since it uses as much as digits as its factorization.

3650165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730038.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 3650165 is about 1910.5404994399. The cubic root of 3650165 is about 153.9704924631.

The spelling of 3650165 in words is "three million, six hundred fifty thousand, one hundred sixty-five".