2028984771 has 8 divisors (see below), whose sum is σ = 2951250624. Its totient is φ = 1229687720.

The previous prime is 2028984761. The next prime is 2028984779. The reversal of 2028984771 is 1774898202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2028984771 - 2⁹ = 2028984259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2028984771.

It is not an unprimeable number, because it can be changed into a prime (2028984779) 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, 30742161 + ... + 30742226.

It is an arithmetic number, because the mean of its divisors is an integer number (368906328).

Almost surely, 2^2028984771 is an apocalyptic number.

2028984771 is a deficient number, since it is larger than the sum of its proper divisors (922265853).

2028984771 is a wasteful number, since it uses less digits than its factorization.

2028984771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61484401.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 2028984771 is about 45044.2534736674. The cubic root of 2028984771 is about 1265.9783026262.

The spelling of 2028984771 in words is "two billion, twenty-eight million, nine hundred eighty-four thousand, seven hundred seventy-one".