636790412 has 12 divisors (see below), whose sum is σ = 1115383416. Its totient is φ = 318109440.

The previous prime is 636790331. The next prime is 636790421. The reversal of 636790412 is 214097636.

636790412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 66389 + ... + 75372.

It is an arithmetic number, because the mean of its divisors is an integer number (92948618).

Almost surely, 2^636790412 is an apocalyptic number.

It is an amenable number.

636790412 is a deficient number, since it is larger than the sum of its proper divisors (478593004).

636790412 is a wasteful number, since it uses less digits than its factorization.

636790412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142888 (or 142886 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 636790412 is about 25234.7064972034. The cubic root of 636790412 is about 860.3308678214.

The spelling of 636790412 in words is "six hundred thirty-six million, seven hundred ninety thousand, four hundred twelve".