84249312 has 48 divisors (see below), whose sum is σ = 252749952. Its totient is φ = 24071040.

The previous prime is 84249311. The next prime is 84249317. The reversal of 84249312 is 21394248.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84249311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62014 + ... + 63357.

It is an arithmetic number, because the mean of its divisors is an integer number (5265624).

Almost surely, 2^84249312 is an apocalyptic number.

It is an amenable number.

84249312 is an abundant number, since it is smaller than the sum of its proper divisors (168500640).

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

84249312 is a wasteful number, since it uses less digits than its factorization.

84249312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125391 (or 125383 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 84249312 is about 9178.7423975183. The cubic root of 84249312 is about 438.3847664623.

The spelling of 84249312 in words is "eighty-four million, two hundred forty-nine thousand, three hundred twelve".