6228399 has 4 divisors (see below), whose sum is σ = 8304536. Its totient is φ = 4152264.

The previous prime is 6228389. The next prime is 6228413. The reversal of 6228399 is 9938226.

6228399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6228399 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228329) 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, 1038064 + ... + 1038069.

It is an arithmetic number, because the mean of its divisors is an integer number (2076134).

Almost surely, 2^6228399 is an apocalyptic number.

6228399 is a deficient number, since it is larger than the sum of its proper divisors (2076137).

6228399 is a wasteful number, since it uses less digits than its factorization.

6228399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076136.

The product of its digits is 46656, while the sum is 39.

The square root of 6228399 is about 2495.6760607098. The cubic root of 6228399 is about 183.9891199458.

The spelling of 6228399 in words is "six million, two hundred twenty-eight thousand, three hundred ninety-nine".