680004194 has 8 divisors (see below), whose sum is σ = 1020142188. Its totient is φ = 339956800.

The previous prime is 680004187. The next prime is 680004217. The reversal of 680004194 is 491400086.

It can be written as a sum of positive squares in 2 ways, for example, as 549199225 + 130804969 = 23435^2 + 11437^2 .

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 680004194.

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, 1094 + ... + 36894.

Almost surely, 2^680004194 is an apocalyptic number.

680004194 is a deficient number, since it is larger than the sum of its proper divisors (340137994).

680004194 is a wasteful number, since it uses less digits than its factorization.

680004194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45300.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 680004194 is about 26076.8900369657. The cubic root of 680004194 is about 879.3677423008.

The spelling of 680004194 in words is "six hundred eighty million, four thousand, one hundred ninety-four".