335661 has 8 divisors (see below), whose sum is σ = 451584. Its totient is φ = 221760.

The previous prime is 335653. The next prime is 335663. The reversal of 335661 is 166533.

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

It is not a de Polignac number, because 335661 - 2³ = 335653 is a prime.

It is a super-2 number, since 2×335661² = 225336613842, which contains 22 as substring.

It is a Curzon 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2³³⁵⁶⁶¹ is an apocalyptic number.

It is an amenable number.

335661 is a deficient number, since it is larger than the sum of its proper divisors (115923).

335661 is a wasteful number, since it uses less digits than its factorization.

335661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its digits is 1620, while the sum is 24.

The square root of 335661 is about 579.3625807730. The cubic root of 335661 is about 69.4971446129.

The spelling of 335661 in words is "three hundred thirty-five thousand, six hundred sixty-one".