63836361 has 12 divisors (see below), whose sum is σ = 92353092. Its totient is φ = 42490656.

The previous prime is 63836341. The next prime is 63836363. The reversal of 63836361 is 16363836.

It can be written as a sum of positive squares in 2 ways, for example, as 58430736 + 5405625 = 7644^2 + 2325^2 .

It is not a de Polignac number, because 63836361 - 2²³ = 55447753 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63836363) 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, 855 + ... + 11331.

It is an arithmetic number, because the mean of its divisors is an integer number (7696091).

Almost surely, 2^63836361 is an apocalyptic number.

It is an amenable number.

63836361 is a deficient number, since it is larger than the sum of its proper divisors (28516731).

63836361 is a wasteful number, since it uses less digits than its factorization.

63836361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160 (or 11157 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 63836361 is about 7989.7660165990. The cubic root of 63836361 is about 399.6587944463.

The spelling of 63836361 in words is "sixty-three million, eight hundred thirty-six thousand, three hundred sixty-one".