385526538 has 24 divisors (see below), whose sum is σ = 838964100. Its totient is φ = 127946304.

The previous prime is 385526467. The next prime is 385526539. The reversal of 385526538 is 835625583.

385526538 is a `hidden beast` number, since 3 + 8 + 552 + 65 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 363931929 + 21594609 = 19077^2 + 4647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 385526493 and 385526502.

It is not an unprimeable number, because it can be changed into a prime (385526539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42643 + ... + 50886.

Almost surely, 2^385526538 is an apocalyptic number.

385526538 is an abundant number, since it is smaller than the sum of its proper divisors (453437562).

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

385526538 is a wasteful number, since it uses less digits than its factorization.

385526538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93766 (or 93763 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 385526538 is about 19634.8297166031. The cubic root of 385526538 is about 727.8101246250.

The spelling of 385526538 in words is "three hundred eighty-five million, five hundred twenty-six thousand, five hundred thirty-eight".