838289131 has 16 divisors (see below), whose sum is σ = 875793600. Its totient is φ = 801681408.

The previous prime is 838289107. The next prime is 838289141. The reversal of 838289131 is 131982838.

It is a cyclic number.

It is not a de Polignac number, because 838289131 - 2⁵ = 838289099 is a prime.

It is a super-2 number, since 2×838289131² = 1405457334305470322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838289141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 634890 + ... + 636208.

It is an arithmetic number, because the mean of its divisors is an integer number (54737100).

Almost surely, 2^838289131 is an apocalyptic number.

838289131 is a deficient number, since it is larger than the sum of its proper divisors (37504469).

838289131 is a wasteful number, since it uses less digits than its factorization.

838289131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its digits is 82944, while the sum is 43.

The square root of 838289131 is about 28953.2231539081. The cubic root of 838289131 is about 942.8977768279.

The spelling of 838289131 in words is "eight hundred thirty-eight million, two hundred eighty-nine thousand, one hundred thirty-one".