684097359 has 16 divisors (see below), whose sum is σ = 996845184. Its totient is φ = 413856800.

The previous prime is 684097339. The next prime is 684097369. The reversal of 684097359 is 953790486.

It is a cyclic number.

It is not a de Polignac number, because 684097359 - 2⁷ = 684097231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684097339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169 + ... + 36989.

It is an arithmetic number, because the mean of its divisors is an integer number (62302824).

Almost surely, 2^684097359 is an apocalyptic number.

684097359 is a deficient number, since it is larger than the sum of its proper divisors (312747825).

684097359 is a wasteful number, since it uses less digits than its factorization.

684097359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37398.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 684097359 is about 26155.2549022180. The cubic root of 684097359 is about 881.1286134702.

The spelling of 684097359 in words is "six hundred eighty-four million, ninety-seven thousand, three hundred fifty-nine".