84630412 has 24 divisors (see below), whose sum is σ = 149854320. Its totient is φ = 41818560.

The previous prime is 84630401. The next prime is 84630419. The reversal of 84630412 is 21403648.

It is not an unprimeable number, because it can be changed into a prime (84630419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166014 + ... + 166522.

It is an arithmetic number, because the mean of its divisors is an integer number (6243930).

Almost surely, 2^84630412 is an apocalyptic number.

It is an amenable number.

84630412 is a deficient number, since it is larger than the sum of its proper divisors (65223908).

84630412 is a wasteful number, since it uses less digits than its factorization.

84630412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 84630412 is about 9199.4788982855. The cubic root of 84630412 is about 439.0447803802.

The spelling of 84630412 in words is "eighty-four million, six hundred thirty thousand, four hundred twelve".