838476949 has 8 divisors (see below), whose sum is σ = 841207680. Its totient is φ = 835752000.

The previous prime is 838476929. The next prime is 838476967. The reversal of 838476949 is 949674838.

838476949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 838476949 - 2⁵ = 838476917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838476893 and 838476902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838476929) 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, 697549 + ... + 698749.

It is an arithmetic number, because the mean of its divisors is an integer number (105150960).

Almost surely, 2^838476949 is an apocalyptic number.

It is an amenable number.

838476949 is a deficient number, since it is larger than the sum of its proper divisors (2730731).

838476949 is a wasteful number, since it uses less digits than its factorization.

838476949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its digits is 10450944, while the sum is 58.

The square root of 838476949 is about 28956.4664453383. The cubic root of 838476949 is about 942.9681900635.

The spelling of 838476949 in words is "eight hundred thirty-eight million, four hundred seventy-six thousand, nine hundred forty-nine".