83271938 has 4 divisors (see below), whose sum is σ = 124907910. Its totient is φ = 41635968.

The previous prime is 83271931. The next prime is 83271949. The reversal of 83271938 is 83917238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83917238 = 2 ⋅41958619.

It can be written as a sum of positive squares in only one way, i.e., 73393489 + 9878449 = 8567^2 + 3143^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83271895 and 83271904.

It is not an unprimeable number, because it can be changed into a prime (83271931) 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 as a sum of consecutive naturals, namely, 20817983 + ... + 20817986.

Almost surely, 2^83271938 is an apocalyptic number.

83271938 is a deficient number, since it is larger than the sum of its proper divisors (41635972).

83271938 is a wasteful number, since it uses less digits than its factorization.

83271938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41635971.

The product of its digits is 72576, while the sum is 41.

The square root of 83271938 is about 9125.3459112518. The cubic root of 83271938 is about 436.6829384868.

The spelling of 83271938 in words is "eighty-three million, two hundred seventy-one thousand, nine hundred thirty-eight".