33686036 has 6 divisors (see below), whose sum is σ = 58950570. Its totient is φ = 16843016.

The previous prime is 33686033. The next prime is 33686039. The reversal of 33686036 is 63068633.

It is an interprime number because it is at equal distance from previous prime (33686033) and next prime (33686039).

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 115600 = 5794^2 + 340^2 .

It is a super-2 number, since 2×33686036² = 2269498042786592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33685987 and 33686005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33686033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4210751 + ... + 4210758.

It is an arithmetic number, because the mean of its divisors is an integer number (9825095).

Almost surely, 2^33686036 is an apocalyptic number.

It is an amenable number.

33686036 is a deficient number, since it is larger than the sum of its proper divisors (25264534).

33686036 is a wasteful number, since it uses less digits than its factorization.

33686036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421513 (or 8421511 counting only the distinct ones).

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

The square root of 33686036 is about 5803.9672638636. The cubic root of 33686036 is about 322.9609169708.

The spelling of 33686036 in words is "thirty-three million, six hundred eighty-six thousand, thirty-six".