1684081036 has 48 divisors (see below), whose sum is σ = 3414418560. Its totient is φ = 718744320.

The previous prime is 1684081031. The next prime is 1684081057. The reversal of 1684081036 is 6301804861.

It is a super-2 number, since 2×1684081036² = 5672257871629666592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1684080986 and 1684081004.

It is not an unprimeable number, because it can be changed into a prime (1684081031) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 85555 + ... + 103381.

It is an arithmetic number, because the mean of its divisors is an integer number (71133720).

Almost surely, 2^1684081036 is an apocalyptic number.

It is an amenable number.

1684081036 is an abundant number, since it is smaller than the sum of its proper divisors (1730337524).

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

1684081036 is a wasteful number, since it uses less digits than its factorization.

1684081036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974 (or 17972 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1684081036 is about 41037.5564087337. The cubic root of 1684081036 is about 1189.7462057923.

Adding to 1684081036 its reverse (6301804861), we get a palindrome (7985885897).

The spelling of 1684081036 in words is "one billion, six hundred eighty-four million, eighty-one thousand, thirty-six".