2237906 has 8 divisors (see below), whose sum is σ = 3662064. Its totient is φ = 1017220.

The previous prime is 2237899. The next prime is 2237909. The reversal of 2237906 is 6097322.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2237909) 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, 50840 + ... + 50883.

It is an arithmetic number, because the mean of its divisors is an integer number (457758).

2^2237906 is an apocalyptic number.

2237906 is a deficient number, since it is larger than the sum of its proper divisors (1424158).

2237906 is a wasteful number, since it uses less digits than its factorization.

2237906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101736.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2237906 is about 1495.9632348424. The cubic root of 2237906 is about 130.8018681912.

The spelling of 2237906 in words is "two million, two hundred thirty-seven thousand, nine hundred six".