1028827272 has 32 divisors (see below), whose sum is σ = 2805893280. Its totient is φ = 311765760.

The previous prime is 1028827271. The next prime is 1028827307. The reversal of 1028827272 is 2727288201.

It is a super-2 number, since 2×1028827272² = 2116971111221923968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1028827272.

It is not an unprimeable number, because it can be changed into a prime (1028827271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948273 + ... + 1948800.

It is an arithmetic number, because the mean of its divisors is an integer number (87684165).

Almost surely, 2^1028827272 is an apocalyptic number.

1028827272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028827272 is an abundant number, since it is smaller than the sum of its proper divisors (1777066008).

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

1028827272 is a wasteful number, since it uses less digits than its factorization.

1028827272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897093 (or 3897089 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 1028827272 is about 32075.3374417168. The cubic root of 1028827272 is about 1009.5182069648.

The spelling of 1028827272 in words is "one billion, twenty-eight million, eight hundred twenty-seven thousand, two hundred seventy-two".