2099489 has 8 divisors (see below), whose sum is σ = 2445120. Its totient is φ = 1765296.

The previous prime is 2099479. The next prime is 2099497. The reversal of 2099489 is 9849902.

2099489 = T₇₇₁ + T₇₇₂ + ... + T₇₇₇.

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

It is a cyclic number.

It is not a de Polignac number, because 2099489 - 2¹⁶ = 2033953 is a prime.

It is a super-2 number, since 2×2099489² = 8815708122242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2459 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (305640).

2^2099489 is an apocalyptic number.

It is an amenable number.

2099489 is a deficient number, since it is larger than the sum of its proper divisors (345631).

2099489 is an equidigital number, since it uses as much as digits as its factorization.

2099489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 2099489 is about 1448.9613521416. The cubic root of 2099489 is about 128.0475287362.

The spelling of 2099489 in words is "two million, ninety-nine thousand, four hundred eighty-nine".