2891834752 has 64 divisors (see below), whose sum is σ = 6107955840. Its totient is φ = 1361387520.

The previous prime is 2891834749. The next prime is 2891834779. The reversal of 2891834752 is 2574381982.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2891834696 and 2891834705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136968 + ... + 156664.

It is an arithmetic number, because the mean of its divisors is an integer number (95436810).

Almost surely, 2^2891834752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2891834752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3053977920).

2891834752 is an abundant number, since it is smaller than the sum of its proper divisors (3216121088).

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

2891834752 is a wasteful number, since it uses less digits than its factorization.

2891834752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19779 (or 19767 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 2891834752 is about 53775.7822072353. The cubic root of 2891834752 is about 1424.7034987090.

The spelling of 2891834752 in words is "two billion, eight hundred ninety-one million, eight hundred thirty-four thousand, seven hundred fifty-two".