839239340 has 24 divisors (see below), whose sum is σ = 1866074112. Its totient is φ = 315948800.

The previous prime is 839239339. The next prime is 839239343. The reversal of 839239340 is 43932938.

It is not an unprimeable number, because it can be changed into a prime (839239343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233836 + ... + 1234515.

It is an arithmetic number, because the mean of its divisors is an integer number (77753088).

Almost surely, 2^839239340 is an apocalyptic number.

It is an amenable number.

839239340 is an abundant number, since it is smaller than the sum of its proper divisors (1026834772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

839239340 is a wasteful number, since it uses less digits than its factorization.

839239340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468377 (or 2468375 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 839239340 is about 28969.6278885318. The cubic root of 839239340 is about 943.2539036147.

The spelling of 839239340 in words is "eight hundred thirty-nine million, two hundred thirty-nine thousand, three hundred forty".