83830938 has 16 divisors (see below), whose sum is σ = 173443680. Its totient is φ = 26980016.

The previous prime is 83830921. The next prime is 83830973. The reversal of 83830938 is 83903838.

It is a self number, because there is not a number n which added to its sum of digits gives 83830938.

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, 240720 + ... + 241067.

It is an arithmetic number, because the mean of its divisors is an integer number (10840230).

Almost surely, 2^83830938 is an apocalyptic number.

83830938 is an abundant number, since it is smaller than the sum of its proper divisors (89612742).

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

83830938 is a wasteful number, since it uses less digits than its factorization.

83830938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481821.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 83830938 is about 9155.9236563003. The cubic root of 83830938 is about 437.6579030570.

Subtracting 83830938 from its reverse (83903838), we obtain a square (72900 = 270²).

The spelling of 83830938 in words is "eighty-three million, eight hundred thirty thousand, nine hundred thirty-eight".