2109938 has 8 divisors (see below), whose sum is σ = 3351132. Its totient is φ = 992896.

The previous prime is 2109911. The next prime is 2109941. The reversal of 2109938 is 8399012.

It can be written as a sum of positive squares in 2 ways, for example, as 2093809 + 16129 = 1447^2 + 127^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30995 + ... + 31062.

2^2109938 is an apocalyptic number.

2109938 is a deficient number, since it is larger than the sum of its proper divisors (1241194).

2109938 is a wasteful number, since it uses less digits than its factorization.

2109938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62076.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2109938 is about 1452.5625631965. The cubic root of 2109938 is about 128.2596049586.

The spelling of 2109938 in words is "two million, one hundred nine thousand, nine hundred thirty-eight".