680004349 has 8 divisors (see below), whose sum is σ = 682579872. Its totient is φ = 677434800.

The previous prime is 680004343. The next prime is 680004359. The reversal of 680004349 is 943400086.

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

It is a cyclic number.

It is not a de Polignac number, because 680004349 - 2⁵ = 680004317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680004343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393802 + ... + 395524.

It is an arithmetic number, because the mean of its divisors is an integer number (85322484).

Almost surely, 2^680004349 is an apocalyptic number.

It is an amenable number.

680004349 is a deficient number, since it is larger than the sum of its proper divisors (2575523).

680004349 is a wasteful number, since it uses less digits than its factorization.

680004349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 680004349 is about 26076.8930089457. The cubic root of 680004349 is about 879.3678091151.

The spelling of 680004349 in words is "six hundred eighty million, four thousand, three hundred forty-nine".