685496048 has 20 divisors (see below), whose sum is σ = 1385894928. Its totient is φ = 327845760.

The previous prime is 685496047. The next prime is 685496099. The reversal of 685496048 is 840694586.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 685495987 and 685496005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685496047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931013 + ... + 931748.

Almost surely, 2^685496048 is an apocalyptic number.

It is an amenable number.

685496048 is an abundant number, since it is smaller than the sum of its proper divisors (700398880).

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

685496048 is a wasteful number, since it uses less digits than its factorization.

685496048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862792 (or 1862786 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 685496048 is about 26181.9794515235. The cubic root of 685496048 is about 881.7287161247.

The spelling of 685496048 in words is "six hundred eighty-five million, four hundred ninety-six thousand, forty-eight".