420208 has 10 divisors (see below), whose sum is σ = 814184. Its totient is φ = 210096.

The previous prime is 420193. The next prime is 420221. The reversal of 420208 is 802024.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 26263 = 420208 / (4 + 2 + 0 + 2 + 0 + 8).

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 420191 and 420200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13116 + ... + 13147.

2⁴²⁰²⁰⁸ is an apocalyptic number.

It is an amenable number.

420208 is a deficient number, since it is larger than the sum of its proper divisors (393976).

420208 is a wasteful number, since it uses less digits than its factorization.

420208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26271 (or 26265 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 420208 is about 648.2345254613. The cubic root of 420208 is about 74.9010844149.

The spelling of 420208 in words is "four hundred twenty thousand, two hundred eight".