83926138 has 8 divisors (see below), whose sum is σ = 129291732. Its totient is φ = 40828896.

The previous prime is 83926133. The next prime is 83926147. The reversal of 83926138 is 83162938.

It can be written as a sum of positive squares in 2 ways, for example, as 82573569 + 1352569 = 9087^2 + 1163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 83926138.

It is not an unprimeable number, because it can be changed into a prime (83926133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566995 + ... + 567142.

Almost surely, 2^83926138 is an apocalyptic number.

83926138 is a deficient number, since it is larger than the sum of its proper divisors (45365594).

83926138 is a wasteful number, since it uses less digits than its factorization.

83926138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134176.

The product of its digits is 62208, while the sum is 40.

The square root of 83926138 is about 9161.1210012749. The cubic root of 83926138 is about 437.8235112499.

The spelling of 83926138 in words is "eighty-three million, nine hundred twenty-six thousand, one hundred thirty-eight".