38306636 has 12 divisors (see below), whose sum is σ = 68595912. Its totient is φ = 18707808.

The previous prime is 38306617. The next prime is 38306657. The reversal of 38306636 is 63660383.

It is a junction number, because it is equal to n+sod(n) for n = 38306596 and 38306605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111185 + ... + 111528.

It is an arithmetic number, because the mean of its divisors is an integer number (5716326).

Almost surely, 2^38306636 is an apocalyptic number.

It is an amenable number.

38306636 is a deficient number, since it is larger than the sum of its proper divisors (30289276).

38306636 is a wasteful number, since it uses less digits than its factorization.

38306636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222760 (or 222758 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 38306636 is about 6189.2354939847. The cubic root of 38306636 is about 337.0994197536.

The spelling of 38306636 in words is "thirty-eight million, three hundred six thousand, six hundred thirty-six".