421330716 has 18 divisors (see below), whose sum is σ = 1065030512. Its totient is φ = 140443560.

The previous prime is 421330709. The next prime is 421330739. The reversal of 421330716 is 617033124.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 421330716.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5851780 + ... + 5851851.

Almost surely, 2^421330716 is an apocalyptic number.

It is an amenable number.

421330716 is an abundant number, since it is smaller than the sum of its proper divisors (643699796).

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

421330716 is a wasteful number, since it uses less digits than its factorization.

421330716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11703641 (or 11703636 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 421330716 is about 20526.3420024124. The cubic root of 421330716 is about 749.6773225256.

The spelling of 421330716 in words is "four hundred twenty-one million, three hundred thirty thousand, seven hundred sixteen".