420326 has 8 divisors (see below), whose sum is σ = 652320. Its totient is φ = 202888.

The previous prime is 420323. The next prime is 420331. The reversal of 420326 is 623024.

420326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3566 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (81540).

2⁴²⁰³²⁶ is an apocalyptic number.

420326 is a deficient number, since it is larger than the sum of its proper divisors (231994).

420326 is a wasteful number, since it uses less digits than its factorization.

420326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 420326 is about 648.3255355144. The cubic root of 420326 is about 74.9080948326.

It can be divided in two parts, 4203 and 26, that multiplied together give a triangular number (109278 = T₄₆₇).

The spelling of 420326 in words is "four hundred twenty thousand, three hundred twenty-six".