685100933 has 16 divisors (see below), whose sum is σ = 754235712. Its totient is φ = 617136000.

The previous prime is 685100921. The next prime is 685100947. The reversal of 685100933 is 339001586.

It is a cyclic number.

It is not a de Polignac number, because 685100933 - 2¹⁸ = 684838789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 685100893 and 685100902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685100963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991118 + ... + 991808.

It is an arithmetic number, because the mean of its divisors is an integer number (47139732).

Almost surely, 2^685100933 is an apocalyptic number.

It is an amenable number.

685100933 is a deficient number, since it is larger than the sum of its proper divisors (69134779).

685100933 is a wasteful number, since it uses less digits than its factorization.

685100933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 685100933 is about 26174.4328114288. The cubic root of 685100933 is about 881.5592761989.

The spelling of 685100933 in words is "six hundred eighty-five million, one hundred thousand, nine hundred thirty-three".