239428397628676 has 81 divisors (see below), whose sum is σ = 433117698609141. Its totient is φ = 115809668805600.

The previous prime is 239428397628671. The next prime is 239428397628689. The reversal of 239428397628676 is 676826793824932.

The square root of 239428397628676 is 15473474.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 214243818184900 + 25184579443776 = 14637070^2 + 5018424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 239428397628676.

It is not an unprimeable number, because it can be changed into a prime (239428397628671) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 241602822541 + ... + 241602823531.

Almost surely, 2^{239428397628676} is an apocalyptic number.

239428397628676 is the 15473474-th square number.

It is an amenable number.

239428397628676 is a deficient number, since it is larger than the sum of its proper divisors (193689300980465).

239428397628676 is an frugal number, since it uses more digits than its factorization.

239428397628676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 1241 counting only the distinct ones).

The product of its digits is 15801827328, while the sum is 82.

The spelling of 239428397628676 in words is "two hundred thirty-nine trillion, four hundred twenty-eight billion, three hundred ninety-seven million, six hundred twenty-eight thousand, six hundred seventy-six".