83240118 has 48 divisors (see below), whose sum is σ = 195826176. Its totient is φ = 25401600.

The previous prime is 83240111. The next prime is 83240137. The reversal of 83240118 is 81104238.

It is a junction number, because it is equal to n+sod(n) for n = 83240091 and 83240100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83240111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28318 + ... + 31118.

It is an arithmetic number, because the mean of its divisors is an integer number (4079712).

Almost surely, 2^83240118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83240118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97913088).

83240118 is an abundant number, since it is smaller than the sum of its proper divisors (112586058).

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

83240118 is a wasteful number, since it uses less digits than its factorization.

83240118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 83240118 is about 9123.6022491119. The cubic root of 83240118 is about 436.6273094169.

The spelling of 83240118 in words is "eighty-three million, two hundred forty thousand, one hundred eighteen".