2890891308 has 48 divisors (see below), whose sum is σ = 6810451200. Its totient is φ = 954385344.

The previous prime is 2890891279. The next prime is 2890891313. The reversal of 2890891308 is 8031980982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539410 + ... + 544742.

It is an arithmetic number, because the mean of its divisors is an integer number (141884400).

Almost surely, 2^2890891308 is an apocalyptic number.

It is an amenable number.

2890891308 is an abundant number, since it is smaller than the sum of its proper divisors (3919559892).

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

2890891308 is a wasteful number, since it uses less digits than its factorization.

2890891308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766 (or 5764 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 2890891308 is about 53767.0094760718. The cubic root of 2890891308 is about 1424.5485481579.

The spelling of 2890891308 in words is "two billion, eight hundred ninety million, eight hundred ninety-one thousand, three hundred eight".