83958938 has 16 divisors (see below), whose sum is σ = 145065984. Its totient is φ = 35698320.

The previous prime is 83958911. The next prime is 83958961. The reversal of 83958938 is 83985938.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83958938.

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, 21833 + ... + 25388.

It is an arithmetic number, because the mean of its divisors is an integer number (9066624).

Almost surely, 2^83958938 is an apocalyptic number.

83958938 is a deficient number, since it is larger than the sum of its proper divisors (61107046).

83958938 is a wasteful number, since it uses less digits than its factorization.

83958938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47357.

The product of its digits is 1866240, while the sum is 53.

The square root of 83958938 is about 9162.9110003317. The cubic root of 83958938 is about 437.8805405263.

Subtracting 83958938 from its reverse (83985938), we obtain a cube (27000 = 30³).

The spelling of 83958938 in words is "eighty-three million, nine hundred fifty-eight thousand, nine hundred thirty-eight".