2801238 has 16 divisors (see below), whose sum is σ = 6111936. Its totient is φ = 848840.

The previous prime is 2801237. The next prime is 2801251. The reversal of 2801238 is 8321082.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21156 + ... + 21287.

It is an arithmetic number, because the mean of its divisors is an integer number (381996).

2^2801238 is an apocalyptic number.

2801238 is an abundant number, since it is smaller than the sum of its proper divisors (3310698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2801238 is a wasteful number, since it uses less digits than its factorization.

2801238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42459.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2801238 is about 1673.6899354420. The cubic root of 2801238 is about 140.9667443325.

The spelling of 2801238 in words is "two million, eight hundred one thousand, two hundred thirty-eight".