2209938 has 8 divisors (see below), whose sum is σ = 4419888. Its totient is φ = 736644.

The previous prime is 2209937. The next prime is 2209939. The reversal of 2209938 is 8399022.

It is an interprime number because it is at equal distance from previous prime (2209937) and next prime (2209939).

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

2209938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2209899 and 2209908.

It is not an unprimeable number, because it can be changed into a prime (2209931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184156 + ... + 184167.

It is an arithmetic number, because the mean of its divisors is an integer number (552486).

2^2209938 is an apocalyptic number.

2209938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2209938 is a wasteful number, since it uses less digits than its factorization.

2209938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368328.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2209938 is about 1486.5860217290. The cubic root of 2209938 is about 130.2546880815.

The spelling of 2209938 in words is "two million, two hundred nine thousand, nine hundred thirty-eight".