1684268904 has 16 divisors (see below), whose sum is σ = 4210672320. Its totient is φ = 561422960.

The previous prime is 1684268903. The next prime is 1684268933. The reversal of 1684268904 is 4098624861.

It is a super-3 number, since 3×1684268904³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1684268903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35088912 + ... + 35088959.

It is an arithmetic number, because the mean of its divisors is an integer number (263167020).

Almost surely, 2^1684268904 is an apocalyptic number.

It is an amenable number.

1684268904 is an abundant number, since it is smaller than the sum of its proper divisors (2526403416).

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

1684268904 is a wasteful number, since it uses less digits than its factorization.

1684268904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70177880 (or 70177876 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 1684268904 is about 41039.8453213459. The cubic root of 1684268904 is about 1189.7904449400.

The spelling of 1684268904 in words is "one billion, six hundred eighty-four million, two hundred sixty-eight thousand, nine hundred four".