684525486 has 8 divisors (see below), whose sum is σ = 1369050984. Its totient is φ = 228175160.

The previous prime is 684525481. The next prime is 684525487.

684525486 is nontrivially palindromic in base 10.

684525486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

684525486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684525481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57043785 + ... + 57043796.

It is an arithmetic number, because the mean of its divisors is an integer number (171131373).

Almost surely, 2^684525486 is an apocalyptic number.

684525486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

684525486 is a wasteful number, since it uses less digits than its factorization.

684525486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114087586.

The product of its digits is 1843200, while the sum is 48.

The square root of 684525486 is about 26163.4379621639. The cubic root of 684525486 is about 881.3123866703.

The spelling of 684525486 in words is "six hundred eighty-four million, five hundred twenty-five thousand, four hundred eighty-six".