685474048 has 36 divisors (see below), whose sum is σ = 1563741760. Its totient is φ = 293773824.

The previous prime is 685474003. The next prime is 685474057. The reversal of 685474048 is 840474586.

It is a junction number, because it is equal to n+sod(n) for n = 685473989 and 685474007.

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, 189468 + ... + 193051.

Almost surely, 2^685474048 is an apocalyptic number.

It is an amenable number.

685474048 is an abundant number, since it is smaller than the sum of its proper divisors (878267712).

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

685474048 is an equidigital number, since it uses as much as digits as its factorization.

685474048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382542 (or 382528 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The square root of 685474048 is about 26181.5593118515. The cubic root of 685474048 is about 881.7192834230.

The spelling of 685474048 in words is "six hundred eighty-five million, four hundred seventy-four thousand, forty-eight".