685114038 has 160 divisors (see below), whose sum is σ = 1844156160. Its totient is φ = 185976000.

The previous prime is 685114021. The next prime is 685114039. The reversal of 685114038 is 830411586.

It is a junction number, because it is equal to n+sod(n) for n = 685113993 and 685114011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685114039) 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 79 ways as a sum of consecutive naturals, for example, 2729413 + ... + 2729663.

It is an arithmetic number, because the mean of its divisors is an integer number (11525976).

Almost surely, 2^685114038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685114038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922078080).

685114038 is an abundant number, since it is smaller than the sum of its proper divisors (1159042122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685114038 is a wasteful number, since it uses less digits than its factorization.

685114038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 685114038 is about 26174.6831499447. The cubic root of 685114038 is about 881.5648971520.

The spelling of 685114038 in words is "six hundred eighty-five million, one hundred fourteen thousand, thirty-eight".