1086819804 has 54 divisors (see below), whose sum is σ = 3195772944. Its totient is φ = 310519440.

The previous prime is 1086819803. The next prime is 1086819821. The reversal of 1086819804 is 4089186801.

It is a self number, because there is not a number n which added to its sum of digits gives 1086819804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086819803) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 306292 + ... + 309819.

Almost surely, 2^1086819804 is an apocalyptic number.

1086819804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1086819804 is an abundant number, since it is smaller than the sum of its proper divisors (2108953140).

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

1086819804 is a wasteful number, since it uses less digits than its factorization.

1086819804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616135 (or 616123 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 1086819804 is about 32966.9501774125. The cubic root of 1086819804 is about 1028.1406124685.

The spelling of 1086819804 in words is "one billion, eighty-six million, eight hundred nineteen thousand, eight hundred four".