402430 has 16 divisors (see below), whose sum is σ = 828000. Its totient is φ = 137952.

The previous prime is 402419. The next prime is 402443. The reversal of 402430 is 34204.

It is a self number, because there is not a number n which added to its sum of digits gives 402430.

It is a congruent number.

It is an unprimeable number.

402430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (51750).

2⁴⁰²⁴³⁰ is an apocalyptic number.

402430 is an abundant number, since it is smaller than the sum of its proper divisors (425570).

It is a weird number, because it is abundant, but not a pseudoperfect number.

402430 is a wasteful number, since it uses less digits than its factorization.

402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 402430 is about 634.3737068952. The cubic root of 402430 is about 73.8295321275.

Adding to 402430 its reverse (34204), we get a palindrome (436634).

The spelling of 402430 in words is "four hundred two thousand, four hundred thirty".