685110534 has 16 divisors (see below), whose sum is σ = 1370480688. Its totient is φ = 228326912.

The previous prime is 685110527. The next prime is 685110539. The reversal of 685110534 is 435011586.

685110534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 685110495 and 685110504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685110539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48574 + ... + 61070.

It is an arithmetic number, because the mean of its divisors is an integer number (85655043).

Almost surely, 2^685110534 is an apocalyptic number.

685110534 is an abundant number, since it is smaller than the sum of its proper divisors (685370154).

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

685110534 is a wasteful number, since it uses less digits than its factorization.

685110534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 685110534 is about 26174.6162149515. The cubic root of 685110534 is about 881.5633942350.

The spelling of 685110534 in words is "six hundred eighty-five million, one hundred ten thousand, five hundred thirty-four".