83132380 has 24 divisors (see below), whose sum is σ = 184848048. Its totient is φ = 31296768.

The previous prime is 83132369. The next prime is 83132389. The reversal of 83132380 is 8323138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83132389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121914 + ... + 122593.

It is an arithmetic number, because the mean of its divisors is an integer number (7702002).

Almost surely, 2^83132380 is an apocalyptic number.

It is an amenable number.

83132380 is an abundant number, since it is smaller than the sum of its proper divisors (101715668).

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

83132380 is a wasteful number, since it uses less digits than its factorization.

83132380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244533 (or 244531 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83132380 is about 9117.6959808934. The cubic root of 83132380 is about 436.4388519597.

The spelling of 83132380 in words is "eighty-three million, one hundred thirty-two thousand, three hundred eighty".