83030940 has 96 divisors (see below), whose sum is σ = 260064000. Its totient is φ = 21992256.

The previous prime is 83030921. The next prime is 83030951. The reversal of 83030940 is 4903038.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96231 + ... + 97089.

It is an arithmetic number, because the mean of its divisors is an integer number (2709000).

Almost surely, 2^83030940 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 83030940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130032000).

83030940 is an abundant number, since it is smaller than the sum of its proper divisors (177033060).

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

83030940 is a wasteful number, since it uses less digits than its factorization.

83030940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 83030940 is about 9112.1314740296. The cubic root of 83030940 is about 436.2612622057.

Adding to 83030940 its reverse (4903038), we get a palindrome (87933978).

The spelling of 83030940 in words is "eighty-three million, thirty thousand, nine hundred forty".