336391 has 8 divisors (see below), whose sum is σ = 374544. Its totient is φ = 299520.

The previous prime is 336373. The next prime is 336397. The reversal of 336391 is 193633.

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

It is a cyclic number.

It is not a de Polignac number, because 336391 - 2⁷ = 336263 is a prime.

It is a super-2 number, since 2×336391² = 226317809762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (46818).

2³³⁶³⁹¹ is an apocalyptic number.

336391 is a deficient number, since it is larger than the sum of its proper divisors (38153).

336391 is a wasteful number, since it uses less digits than its factorization.

336391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its digits is 1458, while the sum is 25.

The square root of 336391 is about 579.9922413274. The cubic root of 336391 is about 69.5474892382.

It can be divided in two parts, 336 and 391, that added together give a palindrome (727).

The spelling of 336391 in words is "three hundred thirty-six thousand, three hundred ninety-one".