685048982 has 8 divisors (see below), whose sum is σ = 1032790176. Its totient is φ = 340785592.

The previous prime is 685048939. The next prime is 685048993. The reversal of 685048982 is 289840586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 685048982.

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, 868958 + ... + 869745.

It is an arithmetic number, because the mean of its divisors is an integer number (129098772).

Almost surely, 2^685048982 is an apocalyptic number.

685048982 is a deficient number, since it is larger than the sum of its proper divisors (347741194).

685048982 is a wasteful number, since it uses less digits than its factorization.

685048982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738902.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The square root of 685048982 is about 26173.4403928868. The cubic root of 685048982 is about 881.5369928431.

The spelling of 685048982 in words is "six hundred eighty-five million, forty-eight thousand, nine hundred eighty-two".