421242316 has 24 divisors (see below), whose sum is σ = 812160720. Its totient is φ = 189576000.

The previous prime is 421242307. The next prime is 421242329. The reversal of 421242316 is 613242124.

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, 42951 + ... + 51838.

It is an arithmetic number, because the mean of its divisors is an integer number (33840030).

Almost surely, 2^421242316 is an apocalyptic number.

It is an amenable number.

421242316 is a deficient number, since it is larger than the sum of its proper divisors (390918404).

421242316 is a wasteful number, since it uses less digits than its factorization.

421242316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94905 (or 94903 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 421242316 is about 20524.1885588688. The cubic root of 421242316 is about 749.6248885680.

The spelling of 421242316 in words is "four hundred twenty-one million, two hundred forty-two thousand, three hundred sixteen".