2099270 has 8 divisors (see below), whose sum is σ = 3778704. Its totient is φ = 839704.

The previous prime is 2099263. The next prime is 2099287. The reversal of 2099270 is 729902.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104954 + ... + 104973.

It is an arithmetic number, because the mean of its divisors is an integer number (472338).

2^2099270 is an apocalyptic number.

2099270 is a deficient number, since it is larger than the sum of its proper divisors (1679434).

2099270 is a wasteful number, since it uses less digits than its factorization.

2099270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209934.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2099270 is about 1448.8857787969. The cubic root of 2099270 is about 128.0430763220.

The spelling of 2099270 in words is "two million, ninety-nine thousand, two hundred seventy".