7628238 has 12 divisors (see below), whose sum is σ = 16527888. Its totient is φ = 2542740.

The previous prime is 7628221. The next prime is 7628251. The reversal of 7628238 is 8328267.

It is a happy number.

7628238 is a `hidden beast` number, since 7 + 628 + 23 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 211878 + ... + 211913.

It is an arithmetic number, because the mean of its divisors is an integer number (1377324).

Almost surely, 2^7628238 is an apocalyptic number.

7628238 is an abundant number, since it is smaller than the sum of its proper divisors (8899650).

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

7628238 is a wasteful number, since it uses less digits than its factorization.

7628238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423799 (or 423796 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7628238 is about 2761.9265015565. The cubic root of 7628238 is about 196.8527161475.

The spelling of 7628238 in words is "seven million, six hundred twenty-eight thousand, two hundred thirty-eight".