324631 has 4 divisors (see below), whose sum is σ = 329152. Its totient is φ = 320112.

The previous prime is 324619. The next prime is 324637. The reversal of 324631 is 136423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136423 = 7 ⋅19489.

It is a cyclic number.

It is not a de Polignac number, because 324631 - 2⁷ = 324503 is a prime.

It is a super-2 number, since 2×324631² = 210770572322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324599 and 324608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324637) 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, 2151 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (82288).

2³²⁴⁶³¹ is an apocalyptic number.

324631 is a deficient number, since it is larger than the sum of its proper divisors (4521).

324631 is an equidigital number, since it uses as much as digits as its factorization.

324631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its digits is 432, while the sum is 19.

The square root of 324631 is about 569.7639862259. The cubic root of 324631 is about 68.7274129658.

The spelling of 324631 in words is "three hundred twenty-four thousand, six hundred thirty-one".