83648312 has 32 divisors (see below), whose sum is σ = 174009600. Its totient is φ = 37375200.

The previous prime is 83648269. The next prime is 83648321. The reversal of 83648312 is 21384638.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (5437800).

Almost surely, 2^83648312 is an apocalyptic number.

It is an amenable number.

83648312 is an abundant number, since it is smaller than the sum of its proper divisors (90361288).

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

83648312 is a wasteful number, since it uses less digits than its factorization.

83648312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187 (or 16183 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 83648312 is about 9145.9451124528. The cubic root of 83648312 is about 437.3398588862.

The spelling of 83648312 in words is "eighty-three million, six hundred forty-eight thousand, three hundred twelve".