420466 has 4 divisors (see below), whose sum is σ = 630702. Its totient is φ = 210232.

The previous prime is 420457. The next prime is 420467. The reversal of 420466 is 664024.

420466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 279841 + 140625 = 529^2 + 375^2 .

It is not an unprimeable number, because it can be changed into a prime (420467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105115 + ... + 105118.

2⁴²⁰⁴⁶⁶ is an apocalyptic number.

420466 is a deficient number, since it is larger than the sum of its proper divisors (210236).

420466 is a wasteful number, since it uses less digits than its factorization.

420466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210235.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 420466 is about 648.4334969756. The cubic root of 420466 is about 74.9164105758.

The spelling of 420466 in words is "four hundred twenty thousand, four hundred sixty-six".