680604546 has 16 divisors (see below), whose sum is σ = 1420392384. Its totient is φ = 217004304.

The previous prime is 680604539. The next prime is 680604553. The reversal of 680604546 is 645406086.

It is an interprime number because it is at equal distance from previous prime (680604539) and next prime (680604553).

It is a super-2 number, since 2×680604546² = 926445096071732232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465821 + ... + 2466096.

It is an arithmetic number, because the mean of its divisors is an integer number (88774524).

Almost surely, 2^680604546 is an apocalyptic number.

680604546 is an abundant number, since it is smaller than the sum of its proper divisors (739787838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680604546 is a wasteful number, since it uses less digits than its factorization.

680604546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931945.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 680604546 is about 26088.3986860060. The cubic root of 680604546 is about 879.6264538891.

The spelling of 680604546 in words is "six hundred eighty million, six hundred four thousand, five hundred forty-six".