420973912 has 16 divisors (see below), whose sum is σ = 804219840. Its totient is φ = 206515296.

The previous prime is 420973879. The next prime is 420973939. The reversal of 420973912 is 219379024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496008 + ... + 496855.

It is an arithmetic number, because the mean of its divisors is an integer number (50263740).

Almost surely, 2^420973912 is an apocalyptic number.

It is an amenable number.

420973912 is a deficient number, since it is larger than the sum of its proper divisors (383245928).

420973912 is a wasteful number, since it uses less digits than its factorization.

420973912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992922 (or 992918 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 420973912 is about 20517.6487931732. The cubic root of 420973912 is about 749.4656412974.

The spelling of 420973912 in words is "four hundred twenty million, nine hundred seventy-three thousand, nine hundred twelve".