7238538 has 16 divisors (see below), whose sum is σ = 16085760. Its totient is φ = 2412828.

The previous prime is 7238527. The next prime is 7238551. The reversal of 7238538 is 8358327.

It is a Curzon 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, 66970 + ... + 67077.

It is an arithmetic number, because the mean of its divisors is an integer number (1005360).

Almost surely, 2^7238538 is an apocalyptic number.

7238538 is an abundant number, since it is smaller than the sum of its proper divisors (8847222).

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

7238538 is a wasteful number, since it uses less digits than its factorization.

7238538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134058 (or 134052 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 7238538 is about 2690.4531216879. The cubic root of 7238538 is about 193.4417828589.

It can be divided in two parts, 7238 and 538, that added together give a 5-th power (7776 = 6⁵).

The spelling of 7238538 in words is "seven million, two hundred thirty-eight thousand, five hundred thirty-eight".