2209929 has 8 divisors (see below), whose sum is σ = 2987232. Its totient is φ = 1452960.

The previous prime is 2209913. The next prime is 2209931. The reversal of 2209929 is 9299022.

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

It is not a de Polignac number, because 2209929 - 2⁴ = 2209913 is a prime.

2209929 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2209929.

It is not an unprimeable number, because it can be changed into a prime (2209939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827 + ... + 5264.

It is an arithmetic number, because the mean of its divisors is an integer number (373404).

2^2209929 is an apocalyptic number.

It is an amenable number.

2209929 is a deficient number, since it is larger than the sum of its proper divisors (777303).

2209929 is a wasteful number, since it uses less digits than its factorization.

2209929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2209929 is about 1486.5829946559. The cubic root of 2209929 is about 130.2545112600.

The spelling of 2209929 in words is "two million, two hundred nine thousand, nine hundred twenty-nine".