838100636 has 12 divisors (see below), whose sum is σ = 1472763600. Its totient is φ = 417311040.

The previous prime is 838100617. The next prime is 838100647. The reversal of 838100636 is 636001838.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 838100596 and 838100605.

It is a congruent number.

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, 433736 + ... + 435663.

It is an arithmetic number, because the mean of its divisors is an integer number (122730300).

Almost surely, 2^838100636 is an apocalyptic number.

It is an amenable number.

838100636 is a deficient number, since it is larger than the sum of its proper divisors (634662964).

838100636 is a wasteful number, since it uses less digits than its factorization.

838100636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869644 (or 869642 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 838100636 is about 28949.9678065451. The cubic root of 838100636 is about 942.8270992088.

The spelling of 838100636 in words is "eight hundred thirty-eight million, one hundred thousand, six hundred thirty-six".