883138642 has 4 divisors (see below), whose sum is σ = 1324707966. Its totient is φ = 441569320.

The previous prime is 883138637. The next prime is 883138643. The reversal of 883138642 is 246831388.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 790228321 + 92910321 = 28111^2 + 9639^2 .

It is not an unprimeable number, because it can be changed into a prime (883138643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220784659 + ... + 220784662.

Almost surely, 2^883138642 is an apocalyptic number.

883138642 is a deficient number, since it is larger than the sum of its proper divisors (441569324).

883138642 is a wasteful number, since it uses less digits than its factorization.

883138642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441569323.

The product of its digits is 221184, while the sum is 43.

The square root of 883138642 is about 29717.6486620325. The cubic root of 883138642 is about 959.4219038307.

The spelling of 883138642 in words is "eight hundred eighty-three million, one hundred thirty-eight thousand, six hundred forty-two".