2789984484 has 144 divisors (see below), whose sum is σ = 8314994688. Its totient is φ = 772265664.

The previous prime is 2789984471. The next prime is 2789984489. The reversal of 2789984484 is 4844899872.

2789984484 is a `hidden beast` number, since 2 + 78 + 9 + 9 + 84 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2789984489) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1218789 + ... + 1221075.

Almost surely, 2^2789984484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2789984484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4157497344).

2789984484 is an abundant number, since it is smaller than the sum of its proper divisors (5525010204).

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

2789984484 is a wasteful number, since it uses less digits than its factorization.

2789984484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454 (or 2449 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 2789984484 is about 52820.3037098425. The cubic root of 2789984484 is about 1407.7772069414. Note that the first 3 decimals are identical.

The spelling of 2789984484 in words is "two billion, seven hundred eighty-nine million, nine hundred eighty-four thousand, four hundred eighty-four".