685356346 has 8 divisors (see below), whose sum is σ = 1072731744. Its totient is φ = 327779100.

The previous prime is 685356341. The next prime is 685356349. The reversal of 685356346 is 643653586.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 14899051 = 685356346 / (6 + 8 + 5 + 3 + 5 + 6 + 3 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 685356296 and 685356305.

It is not an unprimeable number, because it can be changed into a prime (685356341) 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, 7449480 + ... + 7449571.

It is an arithmetic number, because the mean of its divisors is an integer number (134091468).

Almost surely, 2^685356346 is an apocalyptic number.

685356346 is a deficient number, since it is larger than the sum of its proper divisors (387375398).

685356346 is a wasteful number, since it uses less digits than its factorization.

685356346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14899076.

The product of its digits is 1555200, while the sum is 46.

The square root of 685356346 is about 26179.3114118764. The cubic root of 685356346 is about 881.6688141825.

The spelling of 685356346 in words is "six hundred eighty-five million, three hundred fifty-six thousand, three hundred forty-six".