686050896 has 80 divisors (see below), whose sum is σ = 1843582400. Its totient is φ = 219663360.

The previous prime is 686050867. The next prime is 686050901. The reversal of 686050896 is 698050686.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 123180 + ... + 128628.

It is an arithmetic number, because the mean of its divisors is an integer number (23044780).

Almost surely, 2^686050896 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 686050896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921791200).

686050896 is an abundant number, since it is smaller than the sum of its proper divisors (1157531504).

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

686050896 is a wasteful number, since it uses less digits than its factorization.

686050896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 686050896 is about 26192.5732985516. The cubic root of 686050896 is about 881.9665455917.

The spelling of 686050896 in words is "six hundred eighty-six million, fifty thousand, eight hundred ninety-six".