538672443 has 16 divisors (see below), whose sum is σ = 763603200. Its totient is φ = 337017824.

The previous prime is 538672427. The next prime is 538672451. The reversal of 538672443 is 344276835.

It is a cyclic number.

It is not a de Polignac number, because 538672443 - 2⁴ = 538672427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538672395 and 538672404.

It is not an unprimeable number, because it can be changed into a prime (538672483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69993 + ... + 77306.

It is an arithmetic number, because the mean of its divisors is an integer number (47725200).

Almost surely, 2^538672443 is an apocalyptic number.

538672443 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

538672443 is a deficient number, since it is larger than the sum of its proper divisors (224930757).

538672443 is a wasteful number, since it uses less digits than its factorization.

538672443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147378.

The product of its digits is 483840, while the sum is 42.

The square root of 538672443 is about 23209.3180210018. The cubic root of 538672443 is about 813.6574143898.

The spelling of 538672443 in words is "five hundred thirty-eight million, six hundred seventy-two thousand, four hundred forty-three".