685286441 has 8 divisors (see below), whose sum is σ = 786636480. Its totient is φ = 584799408.

The previous prime is 685286431. The next prime is 685286447. The reversal of 685286441 is 144682586.

It is a happy number.

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 685286441 - 2¹⁴ = 685270057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 685286392 and 685286401.

It is not an unprimeable number, because it can be changed into a prime (685286447) 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, 214046 + ... + 217223.

It is an arithmetic number, because the mean of its divisors is an integer number (98329560).

Almost surely, 2^685286441 is an apocalyptic number.

It is an amenable number.

685286441 is a deficient number, since it is larger than the sum of its proper divisors (101350039).

685286441 is a wasteful number, since it uses less digits than its factorization.

685286441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431503.

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

The square root of 685286441 is about 26177.9762586797. The cubic root of 685286441 is about 881.6388370013.

The spelling of 685286441 in words is "six hundred eighty-five million, two hundred eighty-six thousand, four hundred forty-one".