684308606 has 16 divisors (see below), whose sum is σ = 1040256000. Its totient is φ = 337568088.

The previous prime is 684308551. The next prime is 684308657. The reversal of 684308606 is 606803486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140195 + ... + 144993.

It is an arithmetic number, because the mean of its divisors is an integer number (65016000).

Almost surely, 2^684308606 is an apocalyptic number.

684308606 is a deficient number, since it is larger than the sum of its proper divisors (355947394).

684308606 is a wasteful number, since it uses less digits than its factorization.

684308606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 684308606 is about 26159.2929185787. The cubic root of 684308606 is about 881.2193006692.

The spelling of 684308606 in words is "six hundred eighty-four million, three hundred eight thousand, six hundred six".