63806036 has 18 divisors (see below), whose sum is σ = 129891258. Its totient is φ = 27345360.

The previous prime is 63806027. The next prime is 63806051. The reversal of 63806036 is 63060836.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 18835600 = 6706^2 + 4340^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63805993 and 63806011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162575 + ... + 162966.

It is an arithmetic number, because the mean of its divisors is an integer number (7216181).

Almost surely, 2^63806036 is an apocalyptic number.

It is an amenable number.

63806036 is an abundant number, since it is smaller than the sum of its proper divisors (66085222).

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

63806036 is a wasteful number, since it uses less digits than its factorization.

63806036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325559 (or 325550 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 63806036 is about 7987.8680509883. The cubic root of 63806036 is about 399.5954994194.

The spelling of 63806036 in words is "sixty-three million, eight hundred six thousand, thirty-six".