1086493380 has 96 divisors (see below), whose sum is σ = 3499136256. Its totient is φ = 246744576.

The previous prime is 1086493379. The next prime is 1086493393. The reversal of 1086493380 is 833946801.

It is a happy number.

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

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, 57702 + ... + 74178.

It is an arithmetic number, because the mean of its divisors is an integer number (36449336).

Almost surely, 2^1086493380 is an apocalyptic number.

1086493380 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 1086493380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749568128).

1086493380 is an abundant number, since it is smaller than the sum of its proper divisors (2412642876).

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

1086493380 is a wasteful number, since it uses less digits than its factorization.

1086493380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16653 (or 16651 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1086493380 is about 32961.9990291851. Note that the first 3 decimals coincide. The cubic root of 1086493380 is about 1028.0376688847.

The spelling of 1086493380 in words is "one billion, eighty-six million, four hundred ninety-three thousand, three hundred eighty".