2775238 has 8 divisors (see below), whose sum is σ = 4188888. Its totient is φ = 1378944.

The previous prime is 2775221. The next prime is 2775247. The reversal of 2775238 is 8325772.

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, 3931 + ... + 4582.

It is an arithmetic number, because the mean of its divisors is an integer number (523611).

2^2775238 is an apocalyptic number.

2775238 is a deficient number, since it is larger than the sum of its proper divisors (1413650).

2775238 is a wasteful number, since it uses less digits than its factorization.

2775238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678.

The product of its digits is 23520, while the sum is 34.

The square root of 2775238 is about 1665.9045590909. The cubic root of 2775238 is about 140.5292551889.

The spelling of 2775238 in words is "two million, seven hundred seventy-five thousand, two hundred thirty-eight".