839498427 has 6 divisors (see below), whose sum is σ = 1212608852. Its totient is φ = 559665612.

The previous prime is 839498399. The next prime is 839498447. The reversal of 839498427 is 724894938.

It is not a de Polignac number, because 839498427 - 2⁸ = 839498171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (839498447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46638793 + ... + 46638810.

Almost surely, 2^839498427 is an apocalyptic number.

839498427 is a deficient number, since it is larger than the sum of its proper divisors (373110425).

839498427 is a wasteful number, since it uses less digits than its factorization.

839498427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93277609 (or 93277606 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 839498427 is about 28974.0992439800. The cubic root of 839498427 is about 943.3509596305.

The spelling of 839498427 in words is "eight hundred thirty-nine million, four hundred ninety-eight thousand, four hundred twenty-seven".