7338281 has 4 divisors (see below), whose sum is σ = 7343700. Its totient is φ = 7332864.

The previous prime is 7338269. The next prime is 7338293. The reversal of 7338281 is 1828337.

7338281 = 1915² + 1916².

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (7338269) and next prime (7338293).

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 3671056 = 1915^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 7338281 - 2⁶ = 7338217 is a prime.

It is a super-2 number, since 2×7338281² = 107700736069922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7338211) 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, 1325 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (1835925).

Almost surely, 2^7338281 is an apocalyptic number.

7338281 is the 1916-th centered square number.

It is an amenable number.

7338281 is a deficient number, since it is larger than the sum of its proper divisors (5419).

7338281 is a wasteful number, since it uses less digits than its factorization.

7338281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418.

The product of its digits is 8064, while the sum is 32.

The square root of 7338281 is about 2708.9261710132. The cubic root of 7338281 is about 194.3262392552.

The spelling of 7338281 in words is "seven million, three hundred thirty-eight thousand, two hundred eighty-one".