838545837 has 8 divisors (see below), whose sum is σ = 1148279136. Its totient is φ = 543921552.

The previous prime is 838545811. The next prime is 838545887. The reversal of 838545837 is 738545838.

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

It is not a de Polignac number, because 838545837 - 2¹⁴ = 838529453 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 838545837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838545887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777123 + ... + 3777344.

It is an arithmetic number, because the mean of its divisors is an integer number (143534892).

Almost surely, 2^838545837 is an apocalyptic number.

It is an amenable number.

838545837 is a deficient number, since it is larger than the sum of its proper divisors (309733299).

838545837 is a wasteful number, since it uses less digits than its factorization.

838545837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554507.

The product of its digits is 3225600, while the sum is 51.

The square root of 838545837 is about 28957.6559306861. The cubic root of 838545837 is about 942.9940136372.

Subtracting from 838545837 its reverse (738545838), we obtain a palindrome (99999999).

The spelling of 838545837 in words is "eight hundred thirty-eight million, five hundred forty-five thousand, eight hundred thirty-seven".