686462048 has 48 divisors (see below), whose sum is σ = 1418298336. Its totient is φ = 326430720.

The previous prime is 686462033. The next prime is 686462059. The reversal of 686462048 is 840264686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130640 + ... + 135792.

It is an arithmetic number, because the mean of its divisors is an integer number (29547882).

Almost surely, 2^686462048 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 686462048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709149168).

686462048 is an abundant number, since it is smaller than the sum of its proper divisors (731836288).

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

686462048 is a wasteful number, since it uses less digits than its factorization.

686462048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5359 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 686462048 is about 26200.4207599802. The cubic root of 686462048 is about 882.1426986513.

The spelling of 686462048 in words is "six hundred eighty-six million, four hundred sixty-two thousand, forty-eight".