350640636 has 12 divisors (see below), whose sum is σ = 818161512. Its totient is φ = 116880208.

The previous prime is 350640613. The next prime is 350640637. The reversal of 350640636 is 636046053.

It is a happy number.

350640636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×350640636² = 245897711228968992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 350640597 and 350640606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350640637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14610015 + ... + 14610038.

It is an arithmetic number, because the mean of its divisors is an integer number (68180126).

Almost surely, 2^350640636 is an apocalyptic number.

It is an amenable number.

350640636 is an abundant number, since it is smaller than the sum of its proper divisors (467520876).

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

350640636 is a wasteful number, since it uses less digits than its factorization.

350640636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29220060 (or 29220058 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 350640636 is about 18725.4008234804. The cubic root of 350640636 is about 705.1595876335.

Adding to 350640636 its reverse (636046053), we get a palindrome (986686689).

The spelling of 350640636 in words is "three hundred fifty million, six hundred forty thousand, six hundred thirty-six".