7238879 has 2 divisors, whose sum is σ = 7238880. Its totient is φ = 7238878.

The previous prime is 7238863. The next prime is 7238897. The reversal of 7238879 is 9788327.

It is a happy number.

Together with next prime (7238897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7238879 - 2⁴ = 7238863 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7238579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619439 + 3619440.

It is an arithmetic number, because the mean of its divisors is an integer number (3619440).

Almost surely, 2^7238879 is an apocalyptic number.

7238879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7238879 is an equidigital number, since it uses as much as digits as its factorization.

7238879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 7238879 is about 2690.5164931663. The cubic root of 7238879 is about 193.4448204250. Note that the first 3 decimals are identical.

The spelling of 7238879 in words is "seven million, two hundred thirty-eight thousand, eight hundred seventy-nine".