685241460 has 72 divisors (see below), whose sum is σ = 2187974880. Its totient is φ = 173112768.

The previous prime is 685241411. The next prime is 685241467. The reversal of 685241460 is 64142586.

685241460 is a `hidden beast` number, since 68 + 524 + 14 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685241467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96762 + ... + 103601.

It is an arithmetic number, because the mean of its divisors is an integer number (30388540).

Almost surely, 2^685241460 is an apocalyptic number.

685241460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

685241460 is an abundant number, since it is smaller than the sum of its proper divisors (1502733420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685241460 is a wasteful number, since it uses less digits than its factorization.

685241460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200397 (or 200392 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 685241460 is about 26177.1171063584. The cubic root of 685241460 is about 881.6195468370.

The spelling of 685241460 in words is "six hundred eighty-five million, two hundred forty-one thousand, four hundred sixty".