685194614 has 24 divisors (see below), whose sum is σ = 1124461800. Its totient is φ = 312968448.

The previous prime is 685194613. The next prime is 685194641. The reversal of 685194614 is 416491586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685194613) 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, 22337 + ... + 43235.

It is an arithmetic number, because the mean of its divisors is an integer number (46852575).

Almost surely, 2^685194614 is an apocalyptic number.

685194614 is a deficient number, since it is larger than the sum of its proper divisors (439267186).

685194614 is a wasteful number, since it uses less digits than its factorization.

685194614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21024 (or 21011 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 685194614 is about 26176.2223019289. Note that the first 3 decimals coincide. The cubic root of 685194614 is about 881.5994559674.

The spelling of 685194614 in words is "six hundred eighty-five million, one hundred ninety-four thousand, six hundred fourteen".