7428339 has 18 divisors (see below), whose sum is σ = 11020308. Its totient is φ = 4821600.

The previous prime is 7428307. The next prime is 7428341. The reversal of 7428339 is 9338247.

It is not a de Polignac number, because 7428339 - 2⁵ = 7428307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7428349) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 14884 + ... + 15374.

Almost surely, 2^7428339 is an apocalyptic number.

7428339 is a deficient number, since it is larger than the sum of its proper divisors (3591969).

7428339 is a wasteful number, since it uses less digits than its factorization.

7428339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 535 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 7428339 is about 2725.4979361577. The cubic root of 7428339 is about 195.1179562468.

The spelling of 7428339 in words is "seven million, four hundred twenty-eight thousand, three hundred thirty-nine".