685276006 has 4 divisors (see below), whose sum is σ = 1027914012. Its totient is φ = 342638002.

The previous prime is 685275959. The next prime is 685276019. The reversal of 685276006 is 600672586.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 685276006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171319000 + ... + 171319003.

It is an arithmetic number, because the mean of its divisors is an integer number (256978503).

Almost surely, 2^685276006 is an apocalyptic number.

685276006 is a deficient number, since it is larger than the sum of its proper divisors (342638006).

685276006 is a wasteful number, since it uses less digits than its factorization.

685276006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342638005.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 685276006 is about 26177.7769491605. The cubic root of 685276006 is about 881.6343620123.

The spelling of 685276006 in words is "six hundred eighty-five million, two hundred seventy-six thousand, six".