2238906 has 8 divisors (see below), whose sum is σ = 4477824. Its totient is φ = 746300.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238906 is 6098322.

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

2238906 is an admirable number.

It is a Curzon number.

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, 186570 + ... + 186581.

It is an arithmetic number, because the mean of its divisors is an integer number (559728).

2^2238906 is an apocalyptic number.

2238906 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.

2238906 is a wasteful number, since it uses less digits than its factorization.

2238906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373156.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2238906 is about 1496.2974303259. The cubic root of 2238906 is about 130.8213480666.

The spelling of 2238906 in words is "two million, two hundred thirty-eight thousand, nine hundred six".