420884712 has 48 divisors (see below), whose sum is σ = 1155525540. Its totient is φ = 138371328.

The previous prime is 420884707. The next prime is 420884719. The reversal of 420884712 is 217488024.

It can be written as a sum of positive squares in 2 ways, for example, as 420824196 + 60516 = 20514^2 + 246^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (420884719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34783 + ... + 45294.

Almost surely, 2^420884712 is an apocalyptic number.

It is an amenable number.

420884712 is an abundant number, since it is smaller than the sum of its proper divisors (734640828).

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

420884712 is a wasteful number, since it uses less digits than its factorization.

420884712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80162 (or 80155 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 420884712 is about 20515.4749396644. The cubic root of 420884712 is about 749.4127028962.

The spelling of 420884712 in words is "four hundred twenty million, eight hundred eighty-four thousand, seven hundred twelve".