531346838 has 8 divisors (see below), whose sum is σ = 869476680. Its totient is φ = 241521280.

The previous prime is 531346831. The next prime is 531346843. The reversal of 531346838 is 838643135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 531346795 and 531346804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531346831) 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 3 ways as a sum of consecutive naturals, for example, 12076043 + ... + 12076086.

It is an arithmetic number, because the mean of its divisors is an integer number (108684585).

Almost surely, 2^531346838 is an apocalyptic number.

531346838 is a deficient number, since it is larger than the sum of its proper divisors (338129842).

531346838 is a wasteful number, since it uses less digits than its factorization.

531346838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24152142.

The product of its digits is 207360, while the sum is 41.

The square root of 531346838 is about 23050.9617586772. The cubic root of 531346838 is about 809.9521579222.

The spelling of 531346838 in words is "five hundred thirty-one million, three hundred forty-six thousand, eight hundred thirty-eight".