2091892 has 12 divisors (see below), whose sum is σ = 3993696. Its totient is φ = 950840.

The previous prime is 2091889. The next prime is 2091913. The reversal of 2091892 is 2981902.

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, 23728 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (332808).

2^2091892 is an apocalyptic number.

2091892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2091892 is a deficient number, since it is larger than the sum of its proper divisors (1901804).

2091892 is a wasteful number, since it uses less digits than its factorization.

2091892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47558 (or 47556 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2091892 is about 1446.3374433375. The cubic root of 2091892 is about 127.8928954308.

The spelling of 2091892 in words is "two million, ninety-one thousand, eight hundred ninety-two".