839948105 has 16 divisors (see below), whose sum is σ = 1075939200. Its totient is φ = 627621120.

The previous prime is 839948093. The next prime is 839948107. The reversal of 839948105 is 501849938.

It is not a de Polignac number, because 839948105 - 2¹⁴ = 839931721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 839948105.

It is not an unprimeable number, because it can be changed into a prime (839948107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55520 + ... + 69009.

It is an arithmetic number, because the mean of its divisors is an integer number (67246200).

Almost surely, 2^839948105 is an apocalyptic number.

It is an amenable number.

839948105 is a deficient number, since it is larger than the sum of its proper divisors (235991095).

839948105 is a wasteful number, since it uses less digits than its factorization.

839948105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124624.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 839948105 is about 28981.8582047459. The cubic root of 839948105 is about 943.5193651291.

The spelling of 839948105 in words is "eight hundred thirty-nine million, nine hundred forty-eight thousand, one hundred five".