1081384786 has 8 divisors (see below), whose sum is σ = 1631790720. Its totient is φ = 537454548.

The previous prime is 1081384781. The next prime is 1081384793. The reversal of 1081384786 is 6874831801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1081384781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618506 + ... + 1619173.

It is an arithmetic number, because the mean of its divisors is an integer number (203973840).

Almost surely, 2^1081384786 is an apocalyptic number.

1081384786 is a deficient number, since it is larger than the sum of its proper divisors (550405934).

1081384786 is a wasteful number, since it uses less digits than its factorization.

1081384786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237848.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 1081384786 is about 32884.4155490104. The cubic root of 1081384786 is about 1026.4238901175.

The spelling of 1081384786 in words is "one billion, eighty-one million, three hundred eighty-four thousand, seven hundred eighty-six".