1008900032 has 28 divisors (see below), whose sum is σ = 2288042160. Its totient is φ = 432385536.

The previous prime is 1008900029. The next prime is 1008900041. The reversal of 1008900032 is 2300098001.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 1008899980 and 1008900007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1125557 + ... + 1126452.

Almost surely, 2^1008900032 is an apocalyptic number.

It is an amenable number.

1008900032 is an abundant number, since it is smaller than the sum of its proper divisors (1279142128).

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

1008900032 is an equidigital number, since it uses as much as digits as its factorization.

1008900032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252028 (or 2252018 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1008900032 is about 31763.1867418872. The cubic root of 1008900032 is about 1002.9579194195.

Adding to 1008900032 its reverse (2300098001), we get a palindrome (3308998033).

The spelling of 1008900032 in words is "one billion, eight million, nine hundred thousand, thirty-two".