3658065 has 8 divisors (see below), whose sum is σ = 5852928. Its totient is φ = 1950960.

The previous prime is 3658049. The next prime is 3658073. The reversal of 3658065 is 5608563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3658065 - 2⁴ = 3658049 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

3658065 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121921 + ... + 121950.

It is an arithmetic number, because the mean of its divisors is an integer number (731616).

Almost surely, 2^3658065 is an apocalyptic number.

It is an amenable number.

3658065 is a deficient number, since it is larger than the sum of its proper divisors (2194863).

3658065 is a wasteful number, since it uses less digits than its factorization.

3658065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243879.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 3658065 is about 1912.6068597597. The cubic root of 3658065 is about 154.0814911369.

The spelling of 3658065 in words is "three million, six hundred fifty-eight thousand, sixty-five".