1086860544 has 144 divisors (see below), whose sum is σ = 3606597120. Its totient is φ = 282286080.

The previous prime is 1086860531. The next prime is 1086860557. The reversal of 1086860544 is 4450686801.

It is an interprime number because it is at equal distance from previous prime (1086860531) and next prime (1086860557).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1086860496 and 1086860505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49947 + ... + 68325.

Almost surely, 2^1086860544 is an apocalyptic number.

1086860544 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 1086860544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803298560).

1086860544 is an abundant number, since it is smaller than the sum of its proper divisors (2519736576).

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

1086860544 is a wasteful number, since it uses less digits than its factorization.

1086860544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416 (or 18402 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 1086860544 is about 32967.5680631738. The cubic root of 1086860544 is about 1028.1534591014.

The spelling of 1086860544 in words is "one billion, eighty-six million, eight hundred sixty thousand, five hundred forty-four".