538831837 has 4 divisors (see below), whose sum is σ = 547964640. Its totient is φ = 529699036.

The previous prime is 538831817. The next prime is 538831859. The reversal of 538831837 is 738138835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538831837 - 2²⁷ = 404614109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538831817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566313 + ... + 4566430.

It is an arithmetic number, because the mean of its divisors is an integer number (136991160).

Almost surely, 2^538831837 is an apocalyptic number.

It is an amenable number.

538831837 is a deficient number, since it is larger than the sum of its proper divisors (9132803).

538831837 is an equidigital number, since it uses as much as digits as its factorization.

538831837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132802.

The product of its digits is 483840, while the sum is 46.

The square root of 538831837 is about 23212.7516033752. The cubic root of 538831837 is about 813.7376606333.

The spelling of 538831837 in words is "five hundred thirty-eight million, eight hundred thirty-one thousand, eight hundred thirty-seven".