538422443 has 8 divisors (see below), whose sum is σ = 580031088. Its totient is φ = 496841184.

The previous prime is 538422421. The next prime is 538422449. The reversal of 538422443 is 344224835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538422443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538422449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54221 + ... + 63377.

It is an arithmetic number, because the mean of its divisors is an integer number (72503886).

Almost surely, 2^538422443 is an apocalyptic number.

538422443 is a deficient number, since it is larger than the sum of its proper divisors (41608645).

538422443 is a wasteful number, since it uses less digits than its factorization.

538422443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

The product of its digits is 92160, while the sum is 35.

The square root of 538422443 is about 23203.9316280668. The cubic root of 538422443 is about 813.5315210429.

The spelling of 538422443 in words is "five hundred thirty-eight million, four hundred twenty-two thousand, four hundred forty-three".