538472938 has 8 divisors (see below), whose sum is σ = 807822180. Its totient is φ = 269198880.

The previous prime is 538472933. The next prime is 538472959. The reversal of 538472938 is 839274835.

It can be written as a sum of positive squares in 2 ways, for example, as 516971169 + 21501769 = 22737^2 + 4637^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 538472891 and 538472900.

It is not an unprimeable number, because it can be changed into a prime (538472933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5278 + ... + 33238.

Almost surely, 2^538472938 is an apocalyptic number.

538472938 is a deficient number, since it is larger than the sum of its proper divisors (269349242).

538472938 is a wasteful number, since it uses less digits than its factorization.

538472938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37592.

The product of its digits is 1451520, while the sum is 49.

The square root of 538472938 is about 23205.0196724760. The cubic root of 538472938 is about 813.5569521213.

The spelling of 538472938 in words is "five hundred thirty-eight million, four hundred seventy-two thousand, nine hundred thirty-eight".