84009312 has 60 divisors (see below), whose sum is σ = 247076676. Its totient is φ = 28002240.

The previous prime is 84009307. The next prime is 84009347. The reversal of 84009312 is 21390048.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13614 + ... + 18797.

Almost surely, 2^84009312 is an apocalyptic number.

It is an amenable number.

84009312 is an abundant number, since it is smaller than the sum of its proper divisors (163067364).

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

84009312 is a wasteful number, since it uses less digits than its factorization.

84009312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32433 (or 32416 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 84009312 is about 9165.6593870818. The cubic root of 84009312 is about 437.9680967568.

The spelling of 84009312 in words is "eighty-four million, nine thousand, three hundred twelve".