538192947 has 4 divisors (see below), whose sum is σ = 717590600. Its totient is φ = 358795296.

The previous prime is 538192931. The next prime is 538192961. The reversal of 538192947 is 749291835.

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

It is not a de Polignac number, because 538192947 - 2⁴ = 538192931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538192896 and 538192905.

It is not an unprimeable number, because it can be changed into a prime (538192997) 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, 89698822 + ... + 89698827.

It is an arithmetic number, because the mean of its divisors is an integer number (179397650).

Almost surely, 2^538192947 is an apocalyptic number.

538192947 is a deficient number, since it is larger than the sum of its proper divisors (179397653).

538192947 is a wasteful number, since it uses less digits than its factorization.

538192947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179397652.

The product of its digits is 544320, while the sum is 48.

The square root of 538192947 is about 23198.9859045606. The cubic root of 538192947 is about 813.4159186535.

The spelling of 538192947 in words is "five hundred thirty-eight million, one hundred ninety-two thousand, nine hundred forty-seven".