84069312 has 28 divisors (see below), whose sum is σ = 222433896. Its totient is φ = 28023040.

The previous prime is 84069287. The next prime is 84069317. The reversal of 84069312 is 21396048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84069317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218739 + ... + 219122.

Almost surely, 2^84069312 is an apocalyptic number.

It is an amenable number.

84069312 is an abundant number, since it is smaller than the sum of its proper divisors (138364584).

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

84069312 is a wasteful number, since it uses less digits than its factorization.

84069312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437876 (or 437866 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 84069312 is about 9168.9318898114. The cubic root of 84069312 is about 438.0723385036.

The spelling of 84069312 in words is "eighty-four million, sixty-nine thousand, three hundred twelve".