2149998 has 16 divisors (see below), whose sum is σ = 4381776. Its totient is φ = 703040.

The previous prime is 2149993. The next prime is 2150009. The reversal of 2149998 is 8999412.

2149998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063 + ... + 3698.

It is an arithmetic number, because the mean of its divisors is an integer number (273861).

2^2149998 is an apocalyptic number.

2149998 is an abundant number, since it is smaller than the sum of its proper divisors (2231778).

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

2149998 is a wasteful number, since it uses less digits than its factorization.

2149998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819.

The product of its digits is 46656, while the sum is 42.

The square root of 2149998 is about 1466.2871478670. The cubic root of 2149998 is about 129.0662480468.

The spelling of 2149998 in words is "two million, one hundred forty-nine thousand, nine hundred ninety-eight".