2154238 has 8 divisors (see below), whose sum is σ = 3292488. Its totient is φ = 1056744.

The previous prime is 2154227. The next prime is 2154241. The reversal of 2154238 is 8324512.

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

It is a congruent 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, 10056 + ... + 10267.

It is an arithmetic number, because the mean of its divisors is an integer number (411561).

2^2154238 is an apocalyptic number.

2154238 is a deficient number, since it is larger than the sum of its proper divisors (1138250).

2154238 is a wasteful number, since it uses less digits than its factorization.

2154238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378.

The product of its digits is 1920, while the sum is 25.

The square root of 2154238 is about 1467.7322644134. The cubic root of 2154238 is about 129.1510359627.

The spelling of 2154238 in words is "two million, one hundred fifty-four thousand, two hundred thirty-eight".