8628388 has 6 divisors (see below), whose sum is σ = 15099686. Its totient is φ = 4314192.

The previous prime is 8628383. The next prime is 8628407. The reversal of 8628388 is 8838268.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 1909924 = 2592^2 + 1382^2 .

It is not an unprimeable number, because it can be changed into a prime (8628383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078545 + ... + 1078552.

Almost surely, 2^8628388 is an apocalyptic number.

It is an amenable number.

8628388 is a deficient number, since it is larger than the sum of its proper divisors (6471298).

8628388 is a wasteful number, since it uses less digits than its factorization.

8628388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157101 (or 2157099 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 8628388 is about 2937.4117859095. The cubic root of 8628388 is about 205.1051453474.

The spelling of 8628388 in words is "eight million, six hundred twenty-eight thousand, three hundred eighty-eight".