2091854592 has 144 divisors (see below), whose sum is σ = 6237306880. Its totient is φ = 691504128.

The previous prime is 2091854579. The next prime is 2091854599. The reversal of 2091854592 is 2954581902.

It is a happy number.

2091854592 is a `hidden beast` number, since 2 + 0 + 9 + 1 + 8 + 54 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (2091854599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876633 + ... + 879015.

Almost surely, 2^2091854592 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 2091854592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118653440).

2091854592 is an abundant number, since it is smaller than the sum of its proper divisors (4145452288).

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

2091854592 is a wasteful number, since it uses less digits than its factorization.

2091854592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 2091854592 is about 45736.7969145195. The cubic root of 2091854592 is about 1278.9213308331.

The spelling of 2091854592 in words is "two billion, ninety-one million, eight hundred fifty-four thousand, five hundred ninety-two".