63689036 has 12 divisors (see below), whose sum is σ = 112605528. Its totient is φ = 31516032.

The previous prime is 63689029. The next prime is 63689039. The reversal of 63689036 is 63098636.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63688984 and 63689002.

It is not an unprimeable number, because it can be changed into a prime (63689039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81686 + ... + 82461.

It is an arithmetic number, because the mean of its divisors is an integer number (9383794).

Almost surely, 2^63689036 is an apocalyptic number.

It is an amenable number.

63689036 is a deficient number, since it is larger than the sum of its proper divisors (48916492).

63689036 is a wasteful number, since it uses less digits than its factorization.

63689036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164248 (or 164246 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 63689036 is about 7980.5410844128. The cubic root of 63689036 is about 399.3511062448.

The spelling of 63689036 in words is "sixty-three million, six hundred eighty-nine thousand, thirty-six".