2091054 has 16 divisors (see below), whose sum is σ = 4779648. Its totient is φ = 597432.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091054 is 4501902.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2091054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24852 + ... + 24935.

It is an arithmetic number, because the mean of its divisors is an integer number (298728).

2^2091054 is an apocalyptic number.

2091054 is an abundant number, since it is smaller than the sum of its proper divisors (2688594).

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

2091054 is a wasteful number, since it uses less digits than its factorization.

2091054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49799.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2091054 is about 1446.0477170550. The cubic root of 2091054 is about 127.8758154285.

Adding to 2091054 its reverse (4501902), we get a palindrome (6592956).

The spelling of 2091054 in words is "two million, ninety-one thousand, fifty-four".