420316 has 24 divisors (see below), whose sum is σ = 811440. Its totient is φ = 189312.

The previous prime is 420313. The next prime is 420317. The reversal of 420316 is 613024.

It is a self number, because there is not a number n which added to its sum of digits gives 420316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420313) 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 7 ways as a sum of consecutive naturals, for example, 3000 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (33810).

2⁴²⁰³¹⁶ is an apocalyptic number.

It is an amenable number.

420316 is a deficient number, since it is larger than the sum of its proper divisors (391124).

420316 is a wasteful number, since it uses less digits than its factorization.

420316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420316 is about 648.3178232935. The cubic root of 420316 is about 74.9075007803.

The spelling of 420316 in words is "four hundred twenty thousand, three hundred sixteen".