421294888 has 32 divisors (see below), whose sum is σ = 906163200. Its totient is φ = 179877312.

The previous prime is 421294873. The next prime is 421294891. The reversal of 421294888 is 888492124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 29047.

It is an arithmetic number, because the mean of its divisors is an integer number (28317600).

Almost surely, 2^421294888 is an apocalyptic number.

It is an amenable number.

421294888 is an abundant number, since it is smaller than the sum of its proper divisors (484868312).

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

421294888 is a wasteful number, since it uses less digits than its factorization.

421294888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28249 (or 28245 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 421294888 is about 20525.4692516395. The cubic root of 421294888 is about 749.6560722350.

The spelling of 421294888 in words is "four hundred twenty-one million, two hundred ninety-four thousand, eight hundred eighty-eight".