421334516 has 48 divisors (see below), whose sum is σ = 798809088. Its totient is φ = 193881600.

The previous prime is 421334497. The next prime is 421334521. The reversal of 421334516 is 615433124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687026 + ... + 687638.

It is an arithmetic number, because the mean of its divisors is an integer number (16641856).

Almost surely, 2^421334516 is an apocalyptic number.

421334516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

421334516 is a deficient number, since it is larger than the sum of its proper divisors (377474572).

421334516 is a wasteful number, since it uses less digits than its factorization.

421334516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 910 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 421334516 is about 20526.4345661881. The cubic root of 421334516 is about 749.6795763096.

The spelling of 421334516 in words is "four hundred twenty-one million, three hundred thirty-four thousand, five hundred sixteen".