1028940627 has 32 divisors (see below), whose sum is σ = 1681860096. Its totient is φ = 550598400.

The previous prime is 1028940617. The next prime is 1028940629. The reversal of 1028940627 is 7260498201.

It is not a de Polignac number, because 1028940627 - 2¹¹ = 1028938579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1028940629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42274 + ... + 62007.

It is an arithmetic number, because the mean of its divisors is an integer number (52558128).

Almost surely, 2^1028940627 is an apocalyptic number.

1028940627 is a deficient number, since it is larger than the sum of its proper divisors (652919469).

1028940627 is a wasteful number, since it uses less digits than its factorization.

1028940627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104331.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1028940627 is about 32077.1044048555. The cubic root of 1028940627 is about 1009.5552814531. Note that the first 3 decimals are identical.

The spelling of 1028940627 in words is "one billion, twenty-eight million, nine hundred forty thousand, six hundred twenty-seven".