686521482 has 16 divisors (see below), whose sum is σ = 1383525792. Its totient is φ = 227093360.

The previous prime is 686521439. The next prime is 686521501. The reversal of 686521482 is 284125686.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 435933 + ... + 437504.

It is an arithmetic number, because the mean of its divisors is an integer number (86470362).

Almost surely, 2^686521482 is an apocalyptic number.

686521482 is an abundant number, since it is smaller than the sum of its proper divisors (697004310).

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

686521482 is a wasteful number, since it uses less digits than its factorization.

686521482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873573.

The product of its digits is 184320, while the sum is 42.

The square root of 686521482 is about 26201.5549538572. The cubic root of 686521482 is about 882.1681566045.

The spelling of 686521482 in words is "six hundred eighty-six million, five hundred twenty-one thousand, four hundred eighty-two".