336561 has 8 divisors (see below), whose sum is σ = 459360. Its totient is φ = 219072.

The previous prime is 336551. The next prime is 336563. The reversal of 336561 is 165633.

336561 = T₁₀₃ + T₁₀₄ + ... + T₁₄₅.

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

It is not a de Polignac number, because 336561 - 2⁵ = 336529 is a prime.

It is a super-2 number, since 2×336561² = 226546613442, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 336561.

It is not an unprimeable number, because it can be changed into a prime (336563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (57420).

2³³⁶⁵⁶¹ is an apocalyptic number.

It is an amenable number.

336561 is a deficient number, since it is larger than the sum of its proper divisors (122799).

336561 is a wasteful number, since it uses less digits than its factorization.

336561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

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

The square root of 336561 is about 580.1387765009. The cubic root of 336561 is about 69.5592028711.

The spelling of 336561 in words is "three hundred thirty-six thousand, five hundred sixty-one".