7238881 has 8 divisors (see below), whose sum is σ = 7913024. Its totient is φ = 6581520.

The previous prime is 7238879. The next prime is 7238897. The reversal of 7238881 is 1888327.

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

It is a cyclic number.

It is not a de Polignac number, because 7238881 - 2¹ = 7238879 is a prime.

It is a super-2 number, since 2×7238881² = 104802796264322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7238881.

It is not an unprimeable number, because it can be changed into a prime (7238831) 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, 3285 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (989128).

Almost surely, 2^7238881 is an apocalyptic number.

It is an amenable number.

7238881 is a deficient number, since it is larger than the sum of its proper divisors (674143).

7238881 is a wasteful number, since it uses less digits than its factorization.

7238881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391.

The product of its digits is 21504, while the sum is 37.

The square root of 7238881 is about 2690.5168648421. The cubic root of 7238881 is about 193.4448382403. Note that the first 3 decimals are identical.

It can be divided in two parts, 723 and 8881, that added together give a square (9604 = 98²).

The spelling of 7238881 in words is "seven million, two hundred thirty-eight thousand, eight hundred eighty-one".