421173316 has 24 divisors (see below), whose sum is σ = 762096384. Its totient is φ = 203454240.

The previous prime is 421173301. The next prime is 421173343. The reversal of 421173316 is 613371124.

It is a super-2 number, since 2×421173316² = 354773924220871712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82206 + ... + 87178.

It is an arithmetic number, because the mean of its divisors is an integer number (31754016).

Almost surely, 2^421173316 is an apocalyptic number.

It is an amenable number.

421173316 is a deficient number, since it is larger than the sum of its proper divisors (340923068).

421173316 is a wasteful number, since it uses less digits than its factorization.

421173316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5689 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 421173316 is about 20522.5075465938. The cubic root of 421173316 is about 749.5839565124.

The spelling of 421173316 in words is "four hundred twenty-one million, one hundred seventy-three thousand, three hundred sixteen".