3391665 has 16 divisors (see below), whose sum is σ = 5462208. Its totient is φ = 1797056.

The previous prime is 3391657. The next prime is 3391667. The reversal of 3391665 is 5661933.

It is a cyclic number.

It is not a de Polignac number, because 3391665 - 2³ = 3391657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3391667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (341388).

Almost surely, 2^3391665 is an apocalyptic number.

It is an amenable number.

3391665 is a deficient number, since it is larger than the sum of its proper divisors (2070543).

3391665 is a wasteful number, since it uses less digits than its factorization.

3391665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its digits is 14580, while the sum is 33.

The square root of 3391665 is about 1841.6473603815. The cubic root of 3391665 is about 150.2464836391.

The spelling of 3391665 in words is "three million, three hundred ninety-one thousand, six hundred sixty-five".