3085405072 has 20 divisors (see below), whose sum is σ = 6329618316. Its totient is φ = 1451955200.

The previous prime is 3085405069. The next prime is 3085405087. The reversal of 3085405072 is 2705045803.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2351862016 + 733543056 = 48496^2 + 27084^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671429 + ... + 5671972.

Almost surely, 2^3085405072 is an apocalyptic number.

It is an amenable number.

3085405072 is an abundant number, since it is smaller than the sum of its proper divisors (3244213244).

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

3085405072 is a wasteful number, since it uses less digits than its factorization.

3085405072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343426 (or 11343420 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 3085405072 is about 55546.4226750922. The cubic root of 3085405072 is about 1455.8078707358.

The spelling of 3085405072 in words is "three billion, eighty-five million, four hundred five thousand, seventy-two".