335665 has 16 divisors (see below), whose sum is σ = 466560. Its totient is φ = 229120.

The previous prime is 335663. The next prime is 335669. The reversal of 335665 is 566533.

It is not a de Polignac number, because 335665 - 2¹ = 335663 is a prime.

It is a super-2 number, since 2×335665² = 225341984450, which contains 22 as substring.

335665 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335663) 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, 756 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2³³⁵⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

335665 is a deficient number, since it is larger than the sum of its proper divisors (130895).

335665 is a wasteful number, since it uses less digits than its factorization.

335665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its digits is 8100, while the sum is 28.

The square root of 335665 is about 579.3660328324. The cubic root of 335665 is about 69.4974206727.

It can be divided in two parts, 335 and 665, that added together give a cube (1000 = 10³).

The spelling of 335665 in words is "three hundred thirty-five thousand, six hundred sixty-five".