7628388 has 24 divisors (see below), whose sum is σ = 17851008. Its totient is φ = 2535456.

The previous prime is 7628377. The next prime is 7628389. The reversal of 7628388 is 8838267.

It is not an unprimeable number, because it can be changed into a prime (7628389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (743792).

Almost surely, 2^7628388 is an apocalyptic number.

It is an amenable number.

7628388 is an abundant number, since it is smaller than the sum of its proper divisors (10222620).

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

7628388 is a wasteful number, since it uses less digits than its factorization.

7628388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1841 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 7628388 is about 2761.9536563817. The cubic root of 7628388 is about 196.8540064286.

The spelling of 7628388 in words is "seven million, six hundred twenty-eight thousand, three hundred eighty-eight".