83866248 has 48 divisors (see below), whose sum is σ = 228484620. Its totient is φ = 27789696.

The previous prime is 83866243. The next prime is 83866267. The reversal of 83866248 is 84266838.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57426084 + 26440164 = 7578^2 + 5142^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (83866243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9090 + ... + 15822.

Almost surely, 2^83866248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83866248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114242310).

83866248 is an abundant number, since it is smaller than the sum of its proper divisors (144618372).

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

83866248 is a wasteful number, since it uses less digits than its factorization.

83866248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918 (or 6911 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 83866248 is about 9157.8517131476. The cubic root of 83866248 is about 437.7193423128.

The spelling of 83866248 in words is "eighty-three million, eight hundred sixty-six thousand, two hundred forty-eight".