2199939 has 8 divisors (see below), whose sum is σ = 3352320. Its totient is φ = 1257096.

The previous prime is 2199931. The next prime is 2199941. The reversal of 2199939 is 9399912.

It is a happy number.

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

It is not a de Polignac number, because 2199939 - 2³ = 2199931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2199939.

It is not an unprimeable number, because it can be changed into a prime (2199931) 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, 52359 + ... + 52400.

It is an arithmetic number, because the mean of its divisors is an integer number (419040).

2^2199939 is an apocalyptic number.

2199939 is a deficient number, since it is larger than the sum of its proper divisors (1152381).

2199939 is a wasteful number, since it uses less digits than its factorization.

2199939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104769.

The product of its digits is 39366, while the sum is 42.

The square root of 2199939 is about 1483.2191341808. The cubic root of 2199939 is about 130.0579426122.

The spelling of 2199939 in words is "two million, one hundred ninety-nine thousand, nine hundred thirty-nine".