839498064 has 20 divisors (see below), whose sum is σ = 2168703456. Its totient is φ = 279832672.

The previous prime is 839498047. The next prime is 839498081. The reversal of 839498064 is 460894938.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (839498047) and next prime (839498081).

It is a junction number, because it is equal to n+sod(n) for n = 839497998 and 839498016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8744724 + ... + 8744819.

Almost surely, 2^839498064 is an apocalyptic number.

It is an amenable number.

839498064 is an abundant number, since it is smaller than the sum of its proper divisors (1329205392).

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

839498064 is a wasteful number, since it uses less digits than its factorization.

839498064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489554 (or 17489548 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 839498064 is about 28974.0929797638. The cubic root of 839498064 is about 943.3508236618.

The spelling of 839498064 in words is "eight hundred thirty-nine million, four hundred ninety-eight thousand, sixty-four".