421088488 has 16 divisors (see below), whose sum is σ = 831096000. Its totient is φ = 199462896.

The previous prime is 421088477. The next prime is 421088509. The reversal of 421088488 is 884880124.

It is a happy number.

It is a super-2 number, since 2×421088488² = 354631029452252288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1385008 + ... + 1385311.

It is an arithmetic number, because the mean of its divisors is an integer number (51943500).

Almost surely, 2^421088488 is an apocalyptic number.

It is an amenable number.

421088488 is a deficient number, since it is larger than the sum of its proper divisors (410007512).

421088488 is a wasteful number, since it uses less digits than its factorization.

421088488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770344 (or 2770340 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 43.

The square root of 421088488 is about 20520.4407360076. The cubic root of 421088488 is about 749.5336288722.

The spelling of 421088488 in words is "four hundred twenty-one million, eighty-eight thousand, four hundred eighty-eight".