686960093 has 12 divisors (see below), whose sum is σ = 728848512. Its totient is φ = 646792560.

The previous prime is 686960051. The next prime is 686960107. The reversal of 686960093 is 390069686.

It is not a de Polignac number, because 686960093 - 2¹⁶ = 686894557 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686960023) 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 11 ways as a sum of consecutive naturals, for example, 34346 + ... + 50532.

It is an arithmetic number, because the mean of its divisors is an integer number (60737376).

Almost surely, 2^686960093 is an apocalyptic number.

It is an amenable number.

686960093 is a deficient number, since it is larger than the sum of its proper divisors (41888419).

686960093 is a wasteful number, since it uses less digits than its factorization.

686960093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16292 (or 16255 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 686960093 is about 26209.9235595986. The cubic root of 686960093 is about 882.3559857768.

The spelling of 686960093 in words is "six hundred eighty-six million, nine hundred sixty thousand, ninety-three".