838282947 has 8 divisors (see below), whose sum is σ = 1120933056. Its totient is φ = 557244072.

The previous prime is 838282933. The next prime is 838282957. The reversal of 838282947 is 749282838.

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

It is not a de Polignac number, because 838282947 - 2¹⁰ = 838281923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838282947.

It is not an unprimeable number, because it can be changed into a prime (838282957) 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, 401593 + ... + 403674.

It is an arithmetic number, because the mean of its divisors is an integer number (140116632).

Almost surely, 2^838282947 is an apocalyptic number.

838282947 is a deficient number, since it is larger than the sum of its proper divisors (282650109).

838282947 is a wasteful number, since it uses less digits than its factorization.

838282947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805617.

The product of its digits is 1548288, while the sum is 51.

The square root of 838282947 is about 28953.1163607650. The cubic root of 838282947 is about 942.8954582586.

The spelling of 838282947 in words is "eight hundred thirty-eight million, two hundred eighty-two thousand, nine hundred forty-seven".