1087631832 has 96 divisors (see below), whose sum is σ = 3194676720. Its totient is φ = 307641600.

The previous prime is 1087631821. The next prime is 1087631833. The reversal of 1087631832 is 2381367801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087631833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114198 + ... + 123354.

Almost surely, 2^1087631832 is an apocalyptic number.

1087631832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087631832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597338360).

1087631832 is an abundant number, since it is smaller than the sum of its proper divisors (2107044888).

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

1087631832 is a wasteful number, since it uses less digits than its factorization.

1087631832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281 (or 9270 counting only the distinct ones).

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

The square root of 1087631832 is about 32979.2636667346. The cubic root of 1087631832 is about 1028.3966104788.

The spelling of 1087631832 in words is "one billion, eighty-seven million, six hundred thirty-one thousand, eight hundred thirty-two".