1684706368 has 14 divisors (see below), whose sum is σ = 3343089326. Its totient is φ = 842353152.

The previous prime is 1684706329. The next prime is 1684706393. The reversal of 1684706368 is 8636074861.

It can be written as a sum of positive squares in only one way, i.e., 1573867584 + 110838784 = 39672^2 + 10528^2 .

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 as a sum of consecutive naturals, namely, 13161705 + ... + 13161832.

Almost surely, 2^1684706368 is an apocalyptic number.

It is an amenable number.

1684706368 is a deficient number, since it is larger than the sum of its proper divisors (1658382958).

1684706368 is an equidigital number, since it uses as much as digits as its factorization.

1684706368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26323549 (or 26323539 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 1684706368 is about 41045.1747224933. The cubic root of 1684706368 is about 1189.8934461946.

The spelling of 1684706368 in words is "one billion, six hundred eighty-four million, seven hundred six thousand, three hundred sixty-eight".