2028971424 has 24 divisors (see below), whose sum is σ = 5326050240. Its totient is φ = 676323776.

The previous prime is 2028971423. The next prime is 2028971489. The reversal of 2028971424 is 4241798202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2028971423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10567464 + ... + 10567655.

It is an arithmetic number, because the mean of its divisors is an integer number (221918760).

Almost surely, 2^2028971424 is an apocalyptic number.

2028971424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2028971424 is an abundant number, since it is smaller than the sum of its proper divisors (3297078816).

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

2028971424 is a wasteful number, since it uses less digits than its factorization.

2028971424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135132 (or 21135124 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2028971424 is about 45044.1053191203. The cubic root of 2028971424 is about 1265.9755266814.

The spelling of 2028971424 in words is "two billion, twenty-eight million, nine hundred seventy-one thousand, four hundred twenty-four".