684929486 has 4 divisors (see below), whose sum is σ = 1027394232. Its totient is φ = 342464742.

The previous prime is 684929467. The next prime is 684929491.

684929486 is nontrivially palindromic in base 10.

684929486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171232370 + ... + 171232373.

It is an arithmetic number, because the mean of its divisors is an integer number (256848558).

Almost surely, 2^684929486 is an apocalyptic number.

684929486 is a deficient number, since it is larger than the sum of its proper divisors (342464746).

684929486 is a wasteful number, since it uses less digits than its factorization.

684929486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342464745.

The product of its digits is 5971968, while the sum is 56.

The square root of 684929486 is about 26171.1575212103. The cubic root of 684929486 is about 881.4857331167.

The spelling of 684929486 in words is "six hundred eighty-four million, nine hundred twenty-nine thousand, four hundred eighty-six".