2028851398 has 16 divisors (see below), whose sum is σ = 3488062464. Its totient is φ = 866999880.

The previous prime is 2028851393. The next prime is 2028851401. The reversal of 2028851398 is 8931588202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028851393) 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 7 ways as a sum of consecutive naturals, for example, 203958 + ... + 213673.

It is an arithmetic number, because the mean of its divisors is an integer number (218003904).

Almost surely, 2^2028851398 is an apocalyptic number.

2028851398 is a deficient number, since it is larger than the sum of its proper divisors (1459211066).

2028851398 is a wasteful number, since it uses less digits than its factorization.

2028851398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417987.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 2028851398 is about 45042.7729830214. The cubic root of 2028851398 is about 1265.9505628051.

The spelling of 2028851398 in words is "two billion, twenty-eight million, eight hundred fifty-one thousand, three hundred ninety-eight".