3085855890 has 32 divisors (see below), whose sum is σ = 7975751616. Its totient is φ = 759595200.

The previous prime is 3085855849. The next prime is 3085855891. The reversal of 3085855890 is 985585803.

It is not an unprimeable number, because it can be changed into a prime (3085855891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955836 + ... + 3956615.

It is an arithmetic number, because the mean of its divisors is an integer number (249242238).

Almost surely, 2^3085855890 is an apocalyptic number.

3085855890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3085855890 is an abundant number, since it is smaller than the sum of its proper divisors (4889895726).

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

3085855890 is a wasteful number, since it uses less digits than its factorization.

3085855890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912474.

The product of its (nonzero) digits is 1728000, while the sum is 51.

The square root of 3085855890 is about 55550.4805559772. The cubic root of 3085855890 is about 1455.8787714673.

The spelling of 3085855890 in words is "three billion, eighty-five million, eight hundred fifty-five thousand, eight hundred ninety".