2099653 has 8 divisors (see below), whose sum is σ = 2244888. Its totient is φ = 1956864.

The previous prime is 2099641. The next prime is 2099659. The reversal of 2099653 is 3569902.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 567009 + 1532644 = 753^2 + 1238^2 .

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 2099653 - 2¹³ = 2091461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 2467.

It is an arithmetic number, because the mean of its divisors is an integer number (280611).

2^2099653 is an apocalyptic number.

It is an amenable number.

2099653 is a deficient number, since it is larger than the sum of its proper divisors (145235).

2099653 is a wasteful number, since it uses less digits than its factorization.

2099653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 2099653 is about 1449.0179432981. The cubic root of 2099653 is about 128.0508627615.

The spelling of 2099653 in words is "two million, ninety-nine thousand, six hundred fifty-three".