421031416 has 48 divisors (see below), whose sum is σ = 860320440. Its totient is φ = 192024000.

The previous prime is 421031389. The next prime is 421031441. The reversal of 421031416 is 614130124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1677291 + ... + 1677541.

Almost surely, 2^421031416 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 421031416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430160220).

421031416 is an abundant number, since it is smaller than the sum of its proper divisors (439289024).

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

421031416 is a wasteful number, since it uses less digits than its factorization.

421031416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 421031416 is about 20519.0500754786. The cubic root of 421031416 is about 749.4997647975.

The spelling of 421031416 in words is "four hundred twenty-one million, thirty-one thousand, four hundred sixteen".