683880660 has 36 divisors (see below), whose sum is σ = 2074438548. Its totient is φ = 182368128.

The previous prime is 683880629. The next prime is 683880671. The reversal of 683880660 is 66088386.

It can be written as a sum of positive squares in 2 ways, for example, as 82846404 + 601034256 = 9102^2 + 24516^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1899489 + ... + 1899848.

It is an arithmetic number, because the mean of its divisors is an integer number (57623293).

Almost surely, 2^683880660 is an apocalyptic number.

683880660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

683880660 is an abundant number, since it is smaller than the sum of its proper divisors (1390557888).

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

683880660 is a wasteful number, since it uses less digits than its factorization.

683880660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799352 (or 3799347 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 683880660 is about 26151.1120222449. The cubic root of 683880660 is about 881.0355663566.

The spelling of 683880660 in words is "six hundred eighty-three million, eight hundred eighty thousand, six hundred sixty".