420937306 has 16 divisors (see below), whose sum is σ = 697616064. Its totient is φ = 189475264.

The previous prime is 420937303. The next prime is 420937327. The reversal of 420937306 is 603739024.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (420937303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268360 + ... + 269923.

It is an arithmetic number, because the mean of its divisors is an integer number (43601004).

Almost surely, 2^420937306 is an apocalyptic number.

420937306 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

420937306 is a deficient number, since it is larger than the sum of its proper divisors (276678758).

420937306 is a wasteful number, since it uses less digits than its factorization.

420937306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538325.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 420937306 is about 20516.7567125021. The cubic root of 420937306 is about 749.4439172794.

The spelling of 420937306 in words is "four hundred twenty million, nine hundred thirty-seven thousand, three hundred six".