83603880 has 128 divisors (see below), whose sum is σ = 280800000. Its totient is φ = 22125312.

The previous prime is 83603867. The next prime is 83603881. The reversal of 83603880 is 8830638.

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

It is not an unprimeable number, because it can be changed into a prime (83603881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214726 + ... + 215114.

It is an arithmetic number, because the mean of its divisors is an integer number (2193750).

Almost surely, 2^83603880 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 83603880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140400000).

83603880 is an abundant number, since it is smaller than the sum of its proper divisors (197196120).

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

83603880 is a wasteful number, since it uses less digits than its factorization.

83603880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 83603880 is about 9143.5157352082. The cubic root of 83603880 is about 437.2624103171.

The spelling of 83603880 in words is "eighty-three million, six hundred three thousand, eight hundred eighty".