420908352 has 56 divisors (see below), whose sum is σ = 1115568000. Its totient is φ = 140061696.

The previous prime is 420908347. The next prime is 420908393. The reversal of 420908352 is 253809024.

It is a happy number.

It is a congruent number.

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, 136524 + ... + 139572.

Almost surely, 2^420908352 is an apocalyptic number.

It is an amenable number.

420908352 is an abundant number, since it is smaller than the sum of its proper divisors (694659648).

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

420908352 is a wasteful number, since it uses less digits than its factorization.

420908352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3773 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 420908352 is about 20516.0510820187. The cubic root of 420908352 is about 749.4267334879.

The spelling of 420908352 in words is "four hundred twenty million, nine hundred eight thousand, three hundred fifty-two".