538847838 has 12 divisors (see below), whose sum is σ = 1167503688. Its totient is φ = 179615940.

The previous prime is 538847819. The next prime is 538847839. The reversal of 538847838 is 838748835.

538847838 is a `hidden beast` number, since 538 + 8 + 4 + 78 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538847839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14967978 + ... + 14968013.

It is an arithmetic number, because the mean of its divisors is an integer number (97291974).

Almost surely, 2^538847838 is an apocalyptic number.

538847838 is an abundant number, since it is smaller than the sum of its proper divisors (628655850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538847838 is a wasteful number, since it uses less digits than its factorization.

538847838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29935999 (or 29935996 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 538847838 is about 23213.0962605164. The cubic root of 538847838 is about 813.7457153958.

The spelling of 538847838 in words is "five hundred thirty-eight million, eight hundred forty-seven thousand, eight hundred thirty-eight".