684031486 has 16 divisors (see below), whose sum is σ = 1044316800. Its totient is φ = 335935768.

The previous prime is 684031471. The next prime is 684031507. The reversal of 684031486 is 684130486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239181 + ... + 242023.

It is an arithmetic number, because the mean of its divisors is an integer number (65269800).

Almost surely, 2^684031486 is an apocalyptic number.

684031486 is a deficient number, since it is larger than the sum of its proper divisors (360285314).

684031486 is a wasteful number, since it uses less digits than its factorization.

684031486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 684031486 is about 26153.9956029667. The cubic root of 684031486 is about 881.1003307277.

The spelling of 684031486 in words is "six hundred eighty-four million, thirty-one thousand, four hundred eighty-six".