420430486 has 12 divisors (see below), whose sum is σ = 733608468. Its totient is φ = 180184452.

The previous prime is 420430481. The next prime is 420430511. The reversal of 420430486 is 684034024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420430481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2144956 + ... + 2145151.

It is an arithmetic number, because the mean of its divisors is an integer number (61134039).

Almost surely, 2^420430486 is an apocalyptic number.

420430486 is a deficient number, since it is larger than the sum of its proper divisors (313177982).

420430486 is a wasteful number, since it uses less digits than its factorization.

420430486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290123 (or 4290116 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 420430486 is about 20504.4016250170. The cubic root of 420430486 is about 749.1430128407.

The spelling of 420430486 in words is "four hundred twenty million, four hundred thirty thousand, four hundred eighty-six".