1103385986 has 16 divisors (see below), whose sum is σ = 1756828440. Its totient is φ = 517939200.

The previous prime is 1103385953. The next prime is 1103385989. The reversal of 1103385986 is 6895833011.

It can be written as a sum of positive squares in 4 ways, for example, as 1057485361 + 45900625 = 32519^2 + 6775^2 .

It is not an unprimeable number, because it can be changed into a prime (1103385989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26831 + ... + 54098.

Almost surely, 2^1103385986 is an apocalyptic number.

1103385986 is a deficient number, since it is larger than the sum of its proper divisors (653442454).

1103385986 is a wasteful number, since it uses less digits than its factorization.

1103385986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81349.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1103385986 is about 33217.2543416821. The cubic root of 1103385986 is about 1033.3382081167.

The spelling of 1103385986 in words is "one billion, one hundred three million, three hundred eighty-five thousand, nine hundred eighty-six".