6228387 has 32 divisors (see below), whose sum is σ = 10248960. Its totient is φ = 3706560.

The previous prime is 6228373. The next prime is 6228389. The reversal of 6228387 is 7838226.

It is a happy number.

6228387 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6228387 - 2¹⁰ = 6227363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6228389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19743 + ... + 20055.

It is an arithmetic number, because the mean of its divisors is an integer number (320280).

Almost surely, 2^6228387 is an apocalyptic number.

6228387 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6228387 is a deficient number, since it is larger than the sum of its proper divisors (4020573).

6228387 is a wasteful number, since it uses less digits than its factorization.

6228387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 394 counting only the distinct ones).

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

The square root of 6228387 is about 2495.6736565505. The cubic root of 6228387 is about 183.9890017843.

It can be divided in two parts, 622 and 8387, that added together give a palindrome (9009).

The spelling of 6228387 in words is "six million, two hundred twenty-eight thousand, three hundred eighty-seven".