7289838 has 40 divisors (see below), whose sum is σ = 17302032. Its totient is φ = 2286144.

The previous prime is 7289837. The next prime is 7289857. The reversal of 7289838 is 8389827.

It is a junction number, because it is equal to n+sod(n) for n = 7289793 and 7289802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7289837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1431 + ... + 4077.

Almost surely, 2^7289838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7289838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8651016).

7289838 is an abundant number, since it is smaller than the sum of its proper divisors (10012194).

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

7289838 is a wasteful number, since it uses less digits than its factorization.

7289838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2669 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 7289838 is about 2699.9699998333. The cubic root of 7289838 is about 193.8976858024.

The spelling of 7289838 in words is "seven million, two hundred eighty-nine thousand, eight hundred thirty-eight".