420366 has 8 divisors (see below), whose sum is σ = 840744. Its totient is φ = 140120.

The previous prime is 420361. The next prime is 420367. The reversal of 420366 is 663024.

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

420366 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420366.

It is not an unprimeable number, because it can be changed into a prime (420361) 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, 35025 + ... + 35036.

It is an arithmetic number, because the mean of its divisors is an integer number (105093).

2⁴²⁰³⁶⁶ is an apocalyptic number.

420366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420366 is a wasteful number, since it uses less digits than its factorization.

420366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70066.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 420366 is about 648.3563834806. The cubic root of 420366 is about 74.9104709476.

The spelling of 420366 in words is "four hundred twenty thousand, three hundred sixty-six".