7028438 has 8 divisors (see below), whose sum is σ = 10554240. Its totient is φ = 3510360.

The previous prime is 7028431. The next prime is 7028447. The reversal of 7028438 is 8348207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7028431) 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, 1748 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (1319280).

Almost surely, 2^7028438 is an apocalyptic number.

7028438 is a deficient number, since it is larger than the sum of its proper divisors (3525802).

7028438 is a wasteful number, since it uses less digits than its factorization.

7028438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 7028438 is about 2651.1201406198. The cubic root of 7028438 is about 191.5518155864.

The spelling of 7028438 in words is "seven million, twenty-eight thousand, four hundred thirty-eight".