402324 has 24 divisors (see below), whose sum is σ = 1011360. Its totient is φ = 123744.

The previous prime is 402313. The next prime is 402329. The reversal of 402324 is 423204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402329) 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, 1134 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (42140).

2⁴⁰²³²⁴ is an apocalyptic number.

It is an amenable number.

402324 is an abundant number, since it is smaller than the sum of its proper divisors (609036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402324 is a wasteful number, since it uses less digits than its factorization.

402324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599 (or 2597 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 402324 is about 634.2901544246. The cubic root of 402324 is about 73.8230493291.

Adding to 402324 its reverse (423204), we get a palindrome (825528).

The spelling of 402324 in words is "four hundred two thousand, three hundred twenty-four", and thus it is an iban number.