838131606 has 48 divisors (see below), whose sum is σ = 1959165936. Its totient is φ = 257421888.

The previous prime is 838131577. The next prime is 838131611. The reversal of 838131606 is 606131838.

838131606 is a `hidden beast` number, since 8 + 38 + 13 + 1 + 606 = 666.

It is a super-2 number, since 2×838131606² = 1404929177952278472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140521 + ... + 146363.

It is an arithmetic number, because the mean of its divisors is an integer number (40815957).

Almost surely, 2^838131606 is an apocalyptic number.

838131606 is an abundant number, since it is smaller than the sum of its proper divisors (1121034330).

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

838131606 is a wasteful number, since it uses less digits than its factorization.

838131606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477 (or 6474 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 838131606 is about 28950.5026899361. The cubic root of 838131606 is about 942.8387123709.

The spelling of 838131606 in words is "eight hundred thirty-eight million, one hundred thirty-one thousand, six hundred six".