2789906328 has 224 divisors, whose sum is σ = 8641607760. Its totient is φ = 837008640.

The previous prime is 2789906311. The next prime is 2789906333. The reversal of 2789906328 is 8236099872.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 10071726 + ... + 10072002.

Almost surely, 2^2789906328 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 2789906328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320803880).

2789906328 is an abundant number, since it is smaller than the sum of its proper divisors (5851701432).

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

2789906328 is a wasteful number, since it uses less digits than its factorization.

2789906328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 2789906328 is about 52819.5638755187. The cubic root of 2789906328 is about 1407.7640614366.

The spelling of 2789906328 in words is "two billion, seven hundred eighty-nine million, nine hundred six thousand, three hundred twenty-eight".