1086220904 has 16 divisors (see below), whose sum is σ = 2102363520. Its totient is φ = 525590640.

The previous prime is 1086220847. The next prime is 1086220909. The reversal of 1086220904 is 4090226801.

It is not an unprimeable number, because it can be changed into a prime (1086220909) 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, 2189714 + ... + 2190209.

It is an arithmetic number, because the mean of its divisors is an integer number (131397720).

Almost surely, 2^1086220904 is an apocalyptic number.

It is an amenable number.

1086220904 is a deficient number, since it is larger than the sum of its proper divisors (1016142616).

1086220904 is a wasteful number, since it uses less digits than its factorization.

1086220904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379960 (or 4379956 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1086220904 is about 32957.8655862299. The cubic root of 1086220904 is about 1027.9517229671.

The spelling of 1086220904 in words is "one billion, eighty-six million, two hundred twenty thousand, nine hundred four".