685058356 has 36 divisors (see below), whose sum is σ = 1230095776. Its totient is φ = 333784800.

The previous prime is 685058321. The next prime is 685058359. The reversal of 685058356 is 653850586.

It is a super-2 number, since 2×685058356² = 938609902250845472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685058359) 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 11 ways as a sum of consecutive naturals, for example, 4202731 + ... + 4202893.

Almost surely, 2^685058356 is an apocalyptic number.

It is an amenable number.

685058356 is a deficient number, since it is larger than the sum of its proper divisors (545037420).

685058356 is a wasteful number, since it uses less digits than its factorization.

685058356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 685058356 is about 26173.6194669366. The cubic root of 685058356 is about 881.5410137186.

The spelling of 685058356 in words is "six hundred eighty-five million, fifty-eight thousand, three hundred fifty-six".