2091498 has 8 divisors (see below), whose sum is σ = 4183008. Its totient is φ = 697164.

The previous prime is 2091497. The next prime is 2091503. The reversal of 2091498 is 8941902.

It is a sphenic number, since it is the product of 3 distinct primes.

2091498 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2091497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174286 + ... + 174297.

It is an arithmetic number, because the mean of its divisors is an integer number (522876).

2^2091498 is an apocalyptic number.

2091498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2091498 is a wasteful number, since it uses less digits than its factorization.

2091498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348588.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2091498 is about 1446.2012308113. The cubic root of 2091498 is about 127.8848655445.

It can be divided in two parts, 20914 and 98, that added together give a palindrome (21012).

The spelling of 2091498 in words is "two million, ninety-one thousand, four hundred ninety-eight".