838982885 has 8 divisors (see below), whose sum is σ = 1084224120. Its totient is φ = 619556544.

The previous prime is 838982873. The next prime is 838982897. The reversal of 838982885 is 588289838.

It is an interprime number because it is at equal distance from previous prime (838982873) and next prime (838982897).

It can be written as a sum of positive squares in 4 ways, for example, as 10349089 + 828633796 = 3217^2 + 28786^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 838982885 - 2⁴ = 838982869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6453650 + ... + 6453779.

It is an arithmetic number, because the mean of its divisors is an integer number (135528015).

Almost surely, 2^838982885 is an apocalyptic number.

It is an amenable number.

838982885 is a deficient number, since it is larger than the sum of its proper divisors (245241235).

838982885 is a wasteful number, since it uses less digits than its factorization.

838982885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907447.

The product of its digits is 8847360, while the sum is 59.

The square root of 838982885 is about 28965.2012767044. The cubic root of 838982885 is about 943.1578138928.

The spelling of 838982885 in words is "eight hundred thirty-eight million, nine hundred eighty-two thousand, eight hundred eighty-five".