538505847 has 32 divisors (see below), whose sum is σ = 916128000. Its totient is φ = 309186720.

The previous prime is 538505839. The next prime is 538505897. The reversal of 538505847 is 748505835.

It is not a de Polignac number, because 538505847 - 2³ = 538505839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538505897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42072 + ... + 53357.

It is an arithmetic number, because the mean of its divisors is an integer number (28629000).

Almost surely, 2^538505847 is an apocalyptic number.

538505847 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

538505847 is a deficient number, since it is larger than the sum of its proper divisors (377622153).

538505847 is a wasteful number, since it uses less digits than its factorization.

538505847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95468 (or 95462 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 538505847 is about 23205.7287539090. The cubic root of 538505847 is about 813.5735254087.

The spelling of 538505847 in words is "five hundred thirty-eight million, five hundred five thousand, eight hundred forty-seven".