7289938 has 16 divisors (see below), whose sum is σ = 11271960. Its totient is φ = 3534336.

The previous prime is 7289921. The next prime is 7289959. The reversal of 7289938 is 8399827.

It can be written as a sum of positive squares in 4 ways, for example, as 5555449 + 1734489 = 2357^2 + 1317^2 .

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, 9928 + ... + 10636.

Almost surely, 2^7289938 is an apocalyptic number.

7289938 is a deficient number, since it is larger than the sum of its proper divisors (3982022).

7289938 is a wasteful number, since it uses less digits than its factorization.

7289938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 217728, while the sum is 46.

The square root of 7289938 is about 2699.9885184941. The cubic root of 7289938 is about 193.8985724102.

The spelling of 7289938 in words is "seven million, two hundred eighty-nine thousand, nine hundred thirty-eight".