336691 has 4 divisors (see below), whose sum is σ = 347584. Its totient is φ = 325800.

The previous prime is 336689. The next prime is 336703. The reversal of 336691 is 196633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196633 = 31 ⋅6343.

It is a cyclic number.

It is not a de Polignac number, because 336691 - 2¹ = 336689 is a prime.

It is a super-2 number, since 2×336691² = 226721658962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (336631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (86896).

2³³⁶⁶⁹¹ is an apocalyptic number.

336691 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

336691 is a deficient number, since it is larger than the sum of its proper divisors (10893).

336691 is a wasteful number, since it uses less digits than its factorization.

336691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10892.

The product of its digits is 2916, while the sum is 28.

The square root of 336691 is about 580.2508078409. The cubic root of 336691 is about 69.5681576939.

It can be divided in two parts, 33669 and 1, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 336691 in words is "three hundred thirty-six thousand, six hundred ninety-one".