7328839 has 4 divisors (see below), whose sum is σ = 8375824. Its totient is φ = 6281856.

The previous prime is 7328837. The next prime is 7328843. The reversal of 7328839 is 9388237.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9388237 = 1499 ⋅6263.

It is not a de Polignac number, because 7328839 - 2¹ = 7328837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7328831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523482 + ... + 523495.

It is an arithmetic number, because the mean of its divisors is an integer number (2093956).

Almost surely, 2^7328839 is an apocalyptic number.

7328839 is a deficient number, since it is larger than the sum of its proper divisors (1046985).

7328839 is a wasteful number, since it uses less digits than its factorization.

7328839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046984.

The product of its digits is 72576, while the sum is 40.

The square root of 7328839 is about 2707.1828530781. The cubic root of 7328839 is about 194.2428584262.

The spelling of 7328839 in words is "seven million, three hundred twenty-eight thousand, eight hundred thirty-nine".