1083487860 has 384 divisors, whose sum is σ = 4396170240. Its totient is φ = 214990848.

The previous prime is 1083487849. The next prime is 1083487871. The reversal of 1083487860 is 687843801.

1083487860 is a `hidden beast` number, since 10 + 83 + 487 + 86 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1083487849) and next prime (1083487871).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 127 ways as a sum of consecutive naturals, for example, 834732 + ... + 836028.

It is an arithmetic number, because the mean of its divisors is an integer number (11448360).

Almost surely, 2^1083487860 is an apocalyptic number.

1083487860 is a gapful number since it is divisible by the number (10) 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 1083487860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198085120).

1083487860 is an abundant number, since it is smaller than the sum of its proper divisors (3312682380).

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

1083487860 is a wasteful number, since it uses less digits than its factorization.

1083487860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1083487860 is about 32916.3767750948. The cubic root of 1083487860 is about 1027.0888546329.

The spelling of 1083487860 in words is "one billion, eighty-three million, four hundred eighty-seven thousand, eight hundred sixty".