420858970 has 64 divisors (see below), whose sum is σ = 927956736. Its totient is φ = 134138880.

The previous prime is 420858941. The next prime is 420859013. The reversal of 420858970 is 79858024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96640 + ... + 100900.

It is an arithmetic number, because the mean of its divisors is an integer number (14499324).

Almost surely, 2^420858970 is an apocalyptic number.

420858970 is an abundant number, since it is smaller than the sum of its proper divisors (507097766).

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

420858970 is a wasteful number, since it uses less digits than its factorization.

420858970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 420858970 is about 20514.8475500063. The cubic root of 420858970 is about 749.3974241476.

The spelling of 420858970 in words is "four hundred twenty million, eight hundred fifty-eight thousand, nine hundred seventy".