1628492882 has 8 divisors (see below), whose sum is σ = 2445349116. Its totient is φ = 813376512.

The previous prime is 1628492881. The next prime is 1628492903. The reversal of 1628492882 is 2882948261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1614512761 + 13980121 = 40181^2 + 3739^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1628492882.

It is not an unprimeable number, because it can be changed into a prime (1628492881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432623 + ... + 436370.

Almost surely, 2^1628492882 is an apocalyptic number.

1628492882 is a deficient number, since it is larger than the sum of its proper divisors (816856234).

1628492882 is an equidigital number, since it uses as much as digits as its factorization.

1628492882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869932.

The product of its digits is 884736, while the sum is 50.

The square root of 1628492882 is about 40354.5893548677. The cubic root of 1628492882 is about 1176.5090933116.

The spelling of 1628492882 in words is "one billion, six hundred twenty-eight million, four hundred ninety-two thousand, eight hundred eighty-two".