1684380288 has 64 divisors (see below), whose sum is σ = 4618494720. Its totient is φ = 543344640.

The previous prime is 1684380283. The next prime is 1684380289. The reversal of 1684380288 is 8820834861.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1684380283) 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, 58845 + ... + 82652.

It is an arithmetic number, because the mean of its divisors is an integer number (72163980).

Almost surely, 2^1684380288 is an apocalyptic number.

It is an amenable number.

1684380288 is an abundant number, since it is smaller than the sum of its proper divisors (2934114432).

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

1684380288 is a wasteful number, since it uses less digits than its factorization.

1684380288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141545 (or 141533 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 1684380288 is about 41041.2023215695. The cubic root of 1684380288 is about 1189.8166720857.

The spelling of 1684380288 in words is "one billion, six hundred eighty-four million, three hundred eighty thousand, two hundred eighty-eight".