684949486 has 8 divisors (see below), whose sum is σ = 1106456904. Its totient is φ = 316130520.

The previous prime is 684949477. The next prime is 684949501.

684949486 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 684949486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13172080 + ... + 13172131.

It is an arithmetic number, because the mean of its divisors is an integer number (138307113).

Almost surely, 2^684949486 is an apocalyptic number.

684949486 is a deficient number, since it is larger than the sum of its proper divisors (421507418).

684949486 is a wasteful number, since it uses less digits than its factorization.

684949486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26344226.

The product of its digits is 11943936, while the sum is 58.

The square root of 684949486 is about 26171.5396184481. The cubic root of 684949486 is about 881.4943128530.

The spelling of 684949486 in words is "six hundred eighty-four million, nine hundred forty-nine thousand, four hundred eighty-six".