2288738 has 8 divisors (see below), whose sum is σ = 3551580. Its totient is φ = 1104880.

The previous prime is 2288731. The next prime is 2288747. The reversal of 2288738 is 8378822.

It can be written as a sum of positive squares in 2 ways, for example, as 2271049 + 17689 = 1507^2 + 133^2 .

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

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁶ + 8² + 8² + 7⁶ + 3⁴ + 8⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2288731) 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, 19673 + ... + 19788.

2^2288738 is an apocalyptic number.

2288738 is a deficient number, since it is larger than the sum of its proper divisors (1262842).

2288738 is a wasteful number, since it uses less digits than its factorization.

2288738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39492.

The product of its digits is 43008, while the sum is 38.

The square root of 2288738 is about 1512.8575610414. The cubic root of 2288738 is about 131.7848116156.

The spelling of 2288738 in words is "two million, two hundred eighty-eight thousand, seven hundred thirty-eight".