83793930 has 64 divisors (see below), whose sum is σ = 226492416. Its totient is φ = 19656000.

The previous prime is 83793929. The next prime is 83793953. The reversal of 83793930 is 3939738.

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 31 ways as a sum of consecutive naturals, for example, 6135 + ... + 14325.

It is an arithmetic number, because the mean of its divisors is an integer number (3538944).

Almost surely, 2^83793930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83793930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113246208).

83793930 is an abundant number, since it is smaller than the sum of its proper divisors (142698486).

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

83793930 is a wasteful number, since it uses less digits than its factorization.

83793930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 83793930 is about 9153.9024464979. The cubic root of 83793930 is about 437.5934907685.

The spelling of 83793930 in words is "eighty-three million, seven hundred ninety-three thousand, nine hundred thirty".