365249538 has 24 divisors (see below), whose sum is σ = 791750700. Its totient is φ = 121691904.

The previous prime is 365249527. The next prime is 365249557. The reversal of 365249538 is 835942563.

365249538 is a `hidden beast` number, since 3 + 6 + 524 + 95 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 287404209 + 77845329 = 16953^2 + 8823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 365249493 and 365249502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52318 + ... + 58886.

Almost surely, 2^365249538 is an apocalyptic number.

365249538 is an abundant number, since it is smaller than the sum of its proper divisors (426501162).

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

365249538 is a wasteful number, since it uses less digits than its factorization.

365249538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666 (or 9663 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 365249538 is about 19111.5027666586. The cubic root of 365249538 is about 714.8197749419.

The spelling of 365249538 in words is "three hundred sixty-five million, two hundred forty-nine thousand, five hundred thirty-eight".