2890411885 has 4 divisors (see below), whose sum is σ = 3468494268. Its totient is φ = 2312329504.

The previous prime is 2890411877. The next prime is 2890411921. The reversal of 2890411885 is 5881140982.

It is a happy number.

2890411885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1518894729 + 1371517156 = 38973^2 + 37034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890411885 - 2³ = 2890411877 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 289041184 + ... + 289041193.

It is an arithmetic number, because the mean of its divisors is an integer number (867123567).

Almost surely, 2^2890411885 is an apocalyptic number.

It is an amenable number.

2890411885 is a deficient number, since it is larger than the sum of its proper divisors (578082383).

2890411885 is an equidigital number, since it uses as much as digits as its factorization.

2890411885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578082382.

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 2890411885 is about 53762.5509532425. The cubic root of 2890411885 is about 1424.4697951572.

The spelling of 2890411885 in words is "two billion, eight hundred ninety million, four hundred eleven thousand, eight hundred eighty-five".