7258238 has 16 divisors (see below), whose sum is σ = 11838960. Its totient is φ = 3317376.

The previous prime is 7258211. The next prime is 7258243. The reversal of 7258238 is 8328527.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7258198 and 7258207.

It is a congruent number.

It is an unprimeable number.

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, 1478 + ... + 4086.

It is an arithmetic number, because the mean of its divisors is an integer number (739935).

Almost surely, 2^7258238 is an apocalyptic number.

7258238 is a deficient number, since it is larger than the sum of its proper divisors (4580722).

7258238 is a wasteful number, since it uses less digits than its factorization.

7258238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its digits is 26880, while the sum is 35.

The square root of 7258238 is about 2694.1117274530. Note that the first 3 decimals coincide. The cubic root of 7258238 is about 193.6171106783.

The spelling of 7258238 in words is "seven million, two hundred fifty-eight thousand, two hundred thirty-eight".