686006496 has 168 divisors, whose sum is σ = 2314764144. Its totient is φ = 195955200.

The previous prime is 686006483. The next prime is 686006551. The reversal of 686006496 is 694600686.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 161196 + ... + 165396.

It is an arithmetic number, because the mean of its divisors is an integer number (13778358).

Almost surely, 2^686006496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 686006496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157382072).

686006496 is an abundant number, since it is smaller than the sum of its proper divisors (1628757648).

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

686006496 is an equidigital number, since it uses as much as digits as its factorization.

686006496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 686006496 is about 26191.7257163403. The cubic root of 686006496 is about 881.9475187432.

The spelling of 686006496 in words is "six hundred eighty-six million, six thousand, four hundred ninety-six".