420835460 has 24 divisors (see below), whose sum is σ = 896204736. Its totient is φ = 165962720.

The previous prime is 420835403. The next prime is 420835489. The reversal of 420835460 is 64538024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146762 + ... + 149601.

It is an arithmetic number, because the mean of its divisors is an integer number (37341864).

Almost surely, 2^420835460 is an apocalyptic number.

It is an amenable number.

420835460 is an abundant number, since it is smaller than the sum of its proper divisors (475369276).

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

420835460 is a wasteful number, since it uses less digits than its factorization.

420835460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296443 (or 296441 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 420835460 is about 20514.2745423766. The cubic root of 420835460 is about 749.3834696222.

The spelling of 420835460 in words is "four hundred twenty million, eight hundred thirty-five thousand, four hundred sixty".