8427538 has 16 divisors (see below), whose sum is σ = 14526720. Its totient is φ = 3591936.

The previous prime is 8427533. The next prime is 8427539. The reversal of 8427538 is 8357248.

It is a junction number, because it is equal to n+sod(n) for n = 8427497 and 8427506.

It is not an unprimeable number, because it can be changed into a prime (8427533) 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, 1143 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (907920).

Almost surely, 2^8427538 is an apocalyptic number.

8427538 is a deficient number, since it is larger than the sum of its proper divisors (6099182).

8427538 is a wasteful number, since it uses less digits than its factorization.

8427538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its digits is 53760, while the sum is 37.

The square root of 8427538 is about 2903.0222183097. The cubic root of 8427538 is about 203.5011681259.

The spelling of 8427538 in words is "eight million, four hundred twenty-seven thousand, five hundred thirty-eight".