420995876 has 24 divisors (see below), whose sum is σ = 850334016. Its totient is φ = 178639200.

The previous prime is 420995867. The next prime is 420995881. The reversal of 420995876 is 678599024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71606 + ... + 77261.

It is an arithmetic number, because the mean of its divisors is an integer number (35430584).

Almost surely, 2^420995876 is an apocalyptic number.

It is an amenable number.

420995876 is an abundant number, since it is smaller than the sum of its proper divisors (429338140).

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

420995876 is a wasteful number, since it uses less digits than its factorization.

420995876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148979 (or 148977 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 420995876 is about 20518.1840327062. The cubic root of 420995876 is about 749.4786753411.

The spelling of 420995876 in words is "four hundred twenty million, nine hundred ninety-five thousand, eight hundred seventy-six".