839897073 has 16 divisors (see below), whose sum is σ = 1244971200. Its totient is φ = 559625760.

The previous prime is 839897041. The next prime is 839897081. The reversal of 839897073 is 370798938.

It is not a de Polignac number, because 839897073 - 2⁵ = 839897041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (839897083) 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, 48958 + ... + 63848.

It is an arithmetic number, because the mean of its divisors is an integer number (77810700).

Almost surely, 2^839897073 is an apocalyptic number.

It is an amenable number.

839897073 is a deficient number, since it is larger than the sum of its proper divisors (405074127).

839897073 is a wasteful number, since it uses less digits than its factorization.

839897073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989 (or 16983 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 839897073 is about 28980.9777785360. The cubic root of 839897073 is about 943.5002565456.

The spelling of 839897073 in words is "eight hundred thirty-nine million, eight hundred ninety-seven thousand, seventy-three".