685038248 has 16 divisors (see below), whose sum is σ = 1325880960. Its totient is φ = 331470000.

The previous prime is 685038247. The next prime is 685038269. The reversal of 685038248 is 842830586.

It is a junction number, because it is equal to n+sod(n) for n = 685038199 and 685038208.

It is not an unprimeable number, because it can be changed into a prime (685038241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380878 + ... + 1381373.

It is an arithmetic number, because the mean of its divisors is an integer number (82867560).

Almost surely, 2^685038248 is an apocalyptic number.

It is an amenable number.

685038248 is a deficient number, since it is larger than the sum of its proper divisors (640842712).

685038248 is a wasteful number, since it uses less digits than its factorization.

685038248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762288 (or 2762284 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 685038248 is about 26173.2353368857. The cubic root of 685038248 is about 881.5323885652.

The spelling of 685038248 in words is "six hundred eighty-five million, thirty-eight thousand, two hundred forty-eight".