1087318344 has 128 divisors (see below), whose sum is σ = 3262694400. Its totient is φ = 295384320.

The previous prime is 1087318333. The next prime is 1087318361. The reversal of 1087318344 is 4438137801.

It is a super-2 number, since 2×1087318344² = 2364522362397804672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324759 + ... + 328089.

It is an arithmetic number, because the mean of its divisors is an integer number (25489800).

Almost surely, 2^1087318344 is an apocalyptic number.

1087318344 is a gapful number since it is divisible by the number (14) 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 1087318344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631347200).

1087318344 is an abundant number, since it is smaller than the sum of its proper divisors (2175376056).

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

1087318344 is a wasteful number, since it uses less digits than its factorization.

1087318344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1087318344 is about 32974.5105194907. The cubic root of 1087318344 is about 1028.2977961049.

The spelling of 1087318344 in words is "one billion, eighty-seven million, three hundred eighteen thousand, three hundred forty-four".