324681 has 8 divisors (see below), whose sum is σ = 494784. Its totient is φ = 185520.

The previous prime is 324673. The next prime is 324689. The reversal of 324681 is 186423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (324673) and next prime (324689).

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

It is not a de Polignac number, because 324681 - 2³ = 324673 is a prime.

It is a super-2 number, since 2×324681² = 210835503522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (324689) 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, 7710 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (61848).

2³²⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

324681 is a deficient number, since it is larger than the sum of its proper divisors (170103).

324681 is a wasteful number, since it uses less digits than its factorization.

324681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471.

The product of its digits is 1152, while the sum is 24.

The square root of 324681 is about 569.8078623536. The cubic root of 324681 is about 68.7309412735.

The spelling of 324681 in words is "three hundred twenty-four thousand, six hundred eighty-one".