2838385931 has 4 divisors (see below), whose sum is σ = 2866488864. Its totient is φ = 2810283000.

The previous prime is 2838385877. The next prime is 2838385951. The reversal of 2838385931 is 1395838382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2838385931 - 2¹⁰ = 2838384907 is a prime.

It is a super-2 number, since 2×2838385931² = 16112869386597473522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2838385931.

It is not an unprimeable number, because it can be changed into a prime (2838385951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14051315 + ... + 14051516.

It is an arithmetic number, because the mean of its divisors is an integer number (716622216).

Almost surely, 2^2838385931 is an apocalyptic number.

2838385931 is a deficient number, since it is larger than the sum of its proper divisors (28102933).

2838385931 is a wasteful number, since it uses less digits than its factorization.

2838385931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28102932.

The product of its digits is 1244160, while the sum is 50.

The square root of 2838385931 is about 53276.5044930690. The cubic root of 2838385931 is about 1415.8714191806.

The spelling of 2838385931 in words is "two billion, eight hundred thirty-eight million, three hundred eighty-five thousand, nine hundred thirty-one".