685893461 has 12 divisors (see below), whose sum is σ = 754908000. Its totient is φ = 622719240.

The previous prime is 685893451. The next prime is 685893463. The reversal of 685893461 is 164398586.

It is not a de Polignac number, because 685893461 - 2¹⁰ = 685892437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685893463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100640 + ... + 107238.

It is an arithmetic number, because the mean of its divisors is an integer number (62909000).

Almost surely, 2^685893461 is an apocalyptic number.

It is an amenable number.

685893461 is a deficient number, since it is larger than the sum of its proper divisors (69014539).

685893461 is a wasteful number, since it uses less digits than its factorization.

685893461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480 (or 7469 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 685893461 is about 26189.5677894844. The cubic root of 685893461 is about 881.8990758522.

The spelling of 685893461 in words is "six hundred eighty-five million, eight hundred ninety-three thousand, four hundred sixty-one".