420382 has 4 divisors (see below), whose sum is σ = 630576. Its totient is φ = 210190.

The previous prime is 420367. The next prime is 420383. The reversal of 420382 is 283024.

It is a happy number.

420382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105094 + ... + 105097.

It is an arithmetic number, because the mean of its divisors is an integer number (157644).

2⁴²⁰³⁸² is an apocalyptic number.

420382 is a deficient number, since it is larger than the sum of its proper divisors (210194).

420382 is a wasteful number, since it uses less digits than its factorization.

420382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210193.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420382 is about 648.3687222561. The cubic root of 420382 is about 74.9114213514.

The spelling of 420382 in words is "four hundred twenty thousand, three hundred eighty-two".