685852426 has 8 divisors (see below), whose sum is σ = 1175747040. Its totient is φ = 293936748.

The previous prime is 685852421. The next prime is 685852441. The reversal of 685852426 is 624258586.

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

It is not an unprimeable number, because it can be changed into a prime (685852421) 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, 24494716 + ... + 24494743.

It is an arithmetic number, because the mean of its divisors is an integer number (146968380).

Almost surely, 2^685852426 is an apocalyptic number.

685852426 is a deficient number, since it is larger than the sum of its proper divisors (489894614).

685852426 is a wasteful number, since it uses less digits than its factorization.

685852426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48989468.

The product of its digits is 921600, while the sum is 46.

The square root of 685852426 is about 26188.7843551395. The cubic root of 685852426 is about 881.8814883539.

The spelling of 685852426 in words is "six hundred eighty-five million, eight hundred fifty-two thousand, four hundred twenty-six".