3646012236 has 48 divisors (see below), whose sum is σ = 9073614816. Its totient is φ = 1135489024.

The previous prime is 3646012189. The next prime is 3646012243. The reversal of 3646012236 is 6322106463.

It is a junction number, because it is equal to n+sod(n) for n = 3646012197 and 3646012206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37281 + ... + 93176.

It is an arithmetic number, because the mean of its divisors is an integer number (189033642).

Almost surely, 2^3646012236 is an apocalyptic number.

It is an amenable number.

3646012236 is an abundant number, since it is smaller than the sum of its proper divisors (5427602580).

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

3646012236 is a wasteful number, since it uses less digits than its factorization.

3646012236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130618 (or 130616 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 3646012236 is about 60382.2178791074. The cubic root of 3646012236 is about 1539.1207996642.

Adding to 3646012236 its reverse (6322106463), we get a palindrome (9968118699).

The spelling of 3646012236 in words is "three billion, six hundred forty-six million, twelve thousand, two hundred thirty-six".