7628438 has 8 divisors (see below), whose sum is σ = 11752032. Its totient is φ = 3711096.

The previous prime is 7628437. The next prime is 7628441. The reversal of 7628438 is 8348267.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628437) 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, 51470 + ... + 51617.

It is an arithmetic number, because the mean of its divisors is an integer number (1469004).

Almost surely, 2^7628438 is an apocalyptic number.

7628438 is a deficient number, since it is larger than the sum of its proper divisors (4123594).

7628438 is a wasteful number, since it uses less digits than its factorization.

7628438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103126.

The product of its digits is 64512, while the sum is 38.

The square root of 7628438 is about 2761.9627079307. The cubic root of 7628438 is about 196.8544365186.

The spelling of 7628438 in words is "seven million, six hundred twenty-eight thousand, four hundred thirty-eight".