685544462 has 12 divisors (see below), whose sum is σ = 1041833520. Its totient is φ = 338270868.

The previous prime is 685544443. The next prime is 685544467. The reversal of 685544462 is 264445586.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685544467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328073 + ... + 330155.

It is an arithmetic number, because the mean of its divisors is an integer number (86819460).

Almost surely, 2^685544462 is an apocalyptic number.

685544462 is a deficient number, since it is larger than the sum of its proper divisors (356289058).

685544462 is an frugal number, since it uses more digits than its factorization.

685544462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247 (or 2164 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The square root of 685544462 is about 26182.9040024211. The cubic root of 685544462 is about 881.7494733604.

The spelling of 685544462 in words is "six hundred eighty-five million, five hundred forty-four thousand, four hundred sixty-two".