83748312 has 48 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 27834048.

The previous prime is 83748311. The next prime is 83748323. The reversal of 83748312 is 21384738.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83748311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26058 + ... + 29094.

It is an arithmetic number, because the mean of its divisors is an integer number (4739280).

Almost surely, 2^83748312 is an apocalyptic number.

It is an amenable number.

83748312 is an abundant number, since it is smaller than the sum of its proper divisors (143737128).

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

83748312 is a wasteful number, since it uses less digits than its factorization.

83748312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3425 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 83748312 is about 9151.4103831049. The cubic root of 83748312 is about 437.5140667042.

The spelling of 83748312 in words is "eighty-three million, seven hundred forty-eight thousand, three hundred twelve".