684082099 has 8 divisors (see below), whose sum is σ = 728763840. Its totient is φ = 640268136.

The previous prime is 684082081. The next prime is 684082117. The reversal of 684082099 is 990280486.

It is an interprime number because it is at equal distance from previous prime (684082081) and next prime (684082117).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 684082099 - 2⁵ = 684082067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (684085099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215317 + ... + 218470.

It is an arithmetic number, because the mean of its divisors is an integer number (91095480).

Almost surely, 2^684082099 is an apocalyptic number.

684082099 is a deficient number, since it is larger than the sum of its proper divisors (44681741).

684082099 is a wasteful number, since it uses less digits than its factorization.

684082099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433889.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 684082099 is about 26154.9631810102. The cubic root of 684082099 is about 881.1220617114.

It can be divided in two parts, 68408 and 2099, that added together give a palindrome (70507).

The spelling of 684082099 in words is "six hundred eighty-four million, eighty-two thousand, ninety-nine".