2109437 has 8 divisors (see below), whose sum is σ = 2422560. Its totient is φ = 1816560.

The previous prime is 2109421. The next prime is 2109449. The reversal of 2109437 is 7349012.

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

It is a cyclic number.

It is not a de Polignac number, because 2109437 - 2⁴ = 2109421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (302820).

2^2109437 is an apocalyptic number.

It is an amenable number.

2109437 is a deficient number, since it is larger than the sum of its proper divisors (313123).

2109437 is a wasteful number, since it uses less digits than its factorization.

2109437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2109437 is about 1452.3900991125. The cubic root of 2109437 is about 128.2494525041.

The spelling of 2109437 in words is "two million, one hundred nine thousand, four hundred thirty-seven".