83500388 has 12 divisors (see below), whose sum is σ = 149235072. Its totient is φ = 40861800.

The previous prime is 83500381. The next prime is 83500441. The reversal of 83500388 is 88300538.

It is not an unprimeable number, because it can be changed into a prime (83500381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221888 + ... + 222263.

It is an arithmetic number, because the mean of its divisors is an integer number (12436256).

Almost surely, 2^83500388 is an apocalyptic number.

It is an amenable number.

83500388 is a deficient number, since it is larger than the sum of its proper divisors (65734684).

83500388 is a wasteful number, since it uses less digits than its factorization.

83500388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444202 (or 444200 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 83500388 is about 9137.8546716393. The cubic root of 83500388 is about 437.0819089378.

The spelling of 83500388 in words is "eighty-three million, five hundred thousand, three hundred eighty-eight".