685338486 has 16 divisors (see below), whose sum is σ = 1566488064. Its totient is φ = 195810984.

The previous prime is 685338473. The next prime is 685338503. The reversal of 685338486 is 684833586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8158750 + ... + 8158833.

It is an arithmetic number, because the mean of its divisors is an integer number (97905504).

Almost surely, 2^685338486 is an apocalyptic number.

685338486 is an abundant number, since it is smaller than the sum of its proper divisors (881149578).

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

685338486 is a wasteful number, since it uses less digits than its factorization.

685338486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317595.

The product of its digits is 3317760, while the sum is 51.

The square root of 685338486 is about 26178.9703006058. The cubic root of 685338486 is about 881.6611555186.

The spelling of 685338486 in words is "six hundred eighty-five million, three hundred thirty-eight thousand, four hundred eighty-six".