420436612 has 12 divisors (see below), whose sum is σ = 739500300. Its totient is φ = 209150816.

The previous prime is 420436609. The next prime is 420436613. The reversal of 420436612 is 216634024.

It can be written as a sum of positive squares in 2 ways, for example, as 181548676 + 238887936 = 13474^2 + 15456^2 .

It is not an unprimeable number, because it can be changed into a prime (420436613) 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 3 ways as a sum of consecutive naturals, for example, 265987 + ... + 267562.

It is an arithmetic number, because the mean of its divisors is an integer number (61625025).

Almost surely, 2^420436612 is an apocalyptic number.

It is an amenable number.

420436612 is a deficient number, since it is larger than the sum of its proper divisors (319063688).

420436612 is a wasteful number, since it uses less digits than its factorization.

420436612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533750 (or 533748 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 420436612 is about 20504.5510070326. The cubic root of 420436612 is about 749.1466513556.

The spelling of 420436612 in words is "four hundred twenty million, four hundred thirty-six thousand, six hundred twelve".