336921 has 16 divisors (see below), whose sum is σ = 495936. Its totient is φ = 202176.

The previous prime is 336911. The next prime is 336929. The reversal of 336921 is 129633.

It is not a de Polignac number, because 336921 - 2⁶ = 336857 is a prime.

It is a super-2 number, since 2×336921² = 227031520482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 336891 and 336900.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 336921.

It is not an unprimeable number, because it can be changed into a prime (336929) 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 15 ways as a sum of consecutive naturals, for example, 1986 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (30996).

2³³⁶⁹²¹ is an apocalyptic number.

It is an amenable number.

336921 is a deficient number, since it is larger than the sum of its proper divisors (159015).

336921 is a wasteful number, since it uses less digits than its factorization.

336921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 972, while the sum is 24.

The square root of 336921 is about 580.4489641648. The cubic root of 336921 is about 69.5839951969.

The spelling of 336921 in words is "three hundred thirty-six thousand, nine hundred twenty-one".