421470312 has 64 divisors (see below), whose sum is σ = 1115112000. Its totient is φ = 132378624.

The previous prime is 421470299. The next prime is 421470317. The reversal of 421470312 is 213074124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (421470317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85614 + ... + 90402.

It is an arithmetic number, because the mean of its divisors is an integer number (17423625).

Almost surely, 2^421470312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421470312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557556000).

421470312 is an abundant number, since it is smaller than the sum of its proper divisors (693641688).

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

421470312 is a wasteful number, since it uses less digits than its factorization.

421470312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 421470312 is about 20529.7421318437. The cubic root of 421470312 is about 749.7601081663.

The spelling of 421470312 in words is "four hundred twenty-one million, four hundred seventy thousand, three hundred twelve".