685835841 has 8 divisors (see below), whose sum is σ = 914719104. Its totient is φ = 457088240.

The previous prime is 685835833. The next prime is 685835861. The reversal of 685835841 is 148538586.

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

It is a cyclic number.

It is not a de Polignac number, because 685835841 - 2³ = 685835833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685835861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21465 + ... + 42806.

It is an arithmetic number, because the mean of its divisors is an integer number (114339888).

Almost surely, 2^685835841 is an apocalyptic number.

It is an amenable number.

685835841 is a deficient number, since it is larger than the sum of its proper divisors (228883263).

685835841 is a wasteful number, since it uses less digits than its factorization.

685835841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67831.

The product of its digits is 921600, while the sum is 48.

The square root of 685835841 is about 26188.4677100437. The cubic root of 685835841 is about 881.8743798653.

The spelling of 685835841 in words is "six hundred eighty-five million, eight hundred thirty-five thousand, eight hundred forty-one".