83290530 has 16 divisors (see below), whose sum is σ = 199897344. Its totient is φ = 22210800.

The previous prime is 83290517. The next prime is 83290549. The reversal of 83290530 is 3509238.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2776351 = 83290530 / (8 + 3 + 2 + 9 + 0 + 5 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388146 + ... + 1388205.

It is an arithmetic number, because the mean of its divisors is an integer number (12493584).

Almost surely, 2^83290530 is an apocalyptic number.

83290530 is an abundant number, since it is smaller than the sum of its proper divisors (116606814).

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

83290530 is a wasteful number, since it uses less digits than its factorization.

83290530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776361.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 83290530 is about 9126.3645555062. The cubic root of 83290530 is about 436.7154352488.

Adding to 83290530 its reverse (3509238), we get a palindrome (86799768).

The spelling of 83290530 in words is "eighty-three million, two hundred ninety thousand, five hundred thirty".