2628238 has 8 divisors (see below), whose sum is σ = 3952800. Its totient is φ = 1310640.

The previous prime is 2628229. The next prime is 2628277. The reversal of 2628238 is 8328262.

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, 663 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (494100).

2^2628238 is an apocalyptic number.

2628238 is a deficient number, since it is larger than the sum of its proper divisors (1324562).

2628238 is a wasteful number, since it uses less digits than its factorization.

2628238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482.

The product of its digits is 9216, while the sum is 31.

The square root of 2628238 is about 1621.1841351309. The cubic root of 2628238 is about 138.0029054909.

The spelling of 2628238 in words is "two million, six hundred twenty-eight thousand, two hundred thirty-eight".