1089867632 has 20 divisors (see below), whose sum is σ = 2413278576. Its totient is φ = 467086080.

The previous prime is 1089867629. The next prime is 1089867661. The reversal of 1089867632 is 2367689801.

It is a super-2 number, since 2×1089867632² = 2375622910562574848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4865369 + ... + 4865592.

Almost surely, 2^1089867632 is an apocalyptic number.

It is an amenable number.

1089867632 is an abundant number, since it is smaller than the sum of its proper divisors (1323410944).

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

1089867632 is an equidigital number, since it uses as much as digits as its factorization.

1089867632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730976 (or 9730970 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 1089867632 is about 33013.1433220165. The cubic root of 1089867632 is about 1029.1008057016.

The spelling of 1089867632 in words is "one billion, eighty-nine million, eight hundred sixty-seven thousand, six hundred thirty-two".