420704 has 12 divisors (see below), whose sum is σ = 828324. Its totient is φ = 210336.

The previous prime is 420691. The next prime is 420731. The reversal of 420704 is 407024.

420704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 6542 + ... + 6605.

It is an arithmetic number, because the mean of its divisors is an integer number (69027).

2⁴²⁰⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

420704 is a deficient number, since it is larger than the sum of its proper divisors (407620).

420704 is a wasteful number, since it uses less digits than its factorization.

420704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157 (or 13149 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 420704 is about 648.6169902184. The cubic root of 420704 is about 74.9305431038.

Adding to 420704 its reverse (407024), we get a palindrome (827728).

The spelling of 420704 in words is "four hundred twenty thousand, seven hundred four", and thus it is an iban number.