83280460 has 48 divisors (see below), whose sum is σ = 182397600. Its totient is φ = 31901184.

The previous prime is 83280443. The next prime is 83280473. The reversal of 83280460 is 6408238.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80104 + ... + 81136.

It is an arithmetic number, because the mean of its divisors is an integer number (3799950).

Almost surely, 2^83280460 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 83280460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91198800).

83280460 is an abundant number, since it is smaller than the sum of its proper divisors (99117140).

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

83280460 is a wasteful number, since it uses less digits than its factorization.

83280460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 83280460 is about 9125.8128405091. The cubic root of 83280460 is about 436.6978346017.

Adding to 83280460 its reverse (6408238), we get a palindrome (89688698).

The spelling of 83280460 in words is "eighty-three million, two hundred eighty thousand, four hundred sixty".