39363636 has 48 divisors (see below), whose sum is σ = 104739264. Its totient is φ = 11398656.

The previous prime is 39363631. The next prime is 39363637. The reversal of 39363636 is 63636393.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 39363594 and 39363603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39363631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4770 + ... + 10073.

It is an arithmetic number, because the mean of its divisors is an integer number (2182068).

Almost surely, 2^39363636 is an apocalyptic number.

It is an amenable number.

39363636 is an abundant number, since it is smaller than the sum of its proper divisors (65375628).

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

39363636 is a wasteful number, since it uses less digits than its factorization.

39363636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880 (or 14878 counting only the distinct ones).

The product of its digits is 157464, while the sum is 39.

The square root of 39363636 is about 6274.0446284673. The cubic root of 39363636 is about 340.1718738855.

It can be divided in two parts, 3 and 9363636, that added together give a palindrome (9363639).

The spelling of 39363636 in words is "thirty-nine million, three hundred sixty-three thousand, six hundred thirty-six".