420706608 has 40 divisors (see below), whose sum is σ = 1242087168. Its totient is φ = 120201792.

The previous prime is 420706603. The next prime is 420706609. The reversal of 420706608 is 806607024.

It is not an unprimeable number, because it can be changed into a prime (420706603) 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 7 ways as a sum of consecutive naturals, for example, 625716 + ... + 626387.

Almost surely, 2^420706608 is an apocalyptic number.

420706608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

420706608 is an abundant number, since it is smaller than the sum of its proper divisors (821380560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420706608 is a wasteful number, since it uses less digits than its factorization.

420706608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252121 (or 1252115 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 420706608 is about 20511.1337570598. The cubic root of 420706608 is about 749.3069793827.

The spelling of 420706608 in words is "four hundred twenty million, seven hundred six thousand, six hundred eight".