686010304 has 112 divisors (see below), whose sum is σ = 1609344000. Its totient is φ = 284046336.

The previous prime is 686010293. The next prime is 686010313. The reversal of 686010304 is 403010686.

686010304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×686010304² = 941220274388344832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2870217 + ... + 2870455.

Almost surely, 2^686010304 is an apocalyptic number.

686010304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 686010304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804672000).

686010304 is an abundant number, since it is smaller than the sum of its proper divisors (923333696).

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

686010304 is a wasteful number, since it uses less digits than its factorization.

686010304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 686010304 is about 26191.7984109530. The cubic root of 686010304 is about 881.9491506276.

The spelling of 686010304 in words is "six hundred eighty-six million, ten thousand, three hundred four".