839797893 has 12 divisors (see below), whose sum is σ = 1323318048. Its totient is φ = 508968360.

The previous prime is 839797883. The next prime is 839797951. The reversal of 839797893 is 398797938.

It is a happy number.

It is not a de Polignac number, because 839797893 - 2⁴ = 839797877 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 839797893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839797883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4241305 + ... + 4241502.

It is an arithmetic number, because the mean of its divisors is an integer number (110276504).

Almost surely, 2^839797893 is an apocalyptic number.

It is an amenable number.

839797893 is a deficient number, since it is larger than the sum of its proper divisors (483520155).

839797893 is a wasteful number, since it uses less digits than its factorization.

839797893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482824 (or 8482821 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The square root of 839797893 is about 28979.2666056269. The cubic root of 839797893 is about 943.4631170587.

The spelling of 839797893 in words is "eight hundred thirty-nine million, seven hundred ninety-seven thousand, eight hundred ninety-three".