6228993 has 4 divisors (see below), whose sum is σ = 8305328. Its totient is φ = 4152660.

The previous prime is 6228991. The next prime is 6229033. The reversal of 6228993 is 3998226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6228993 - 2¹ = 6228991 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6228991) 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, 1038163 + ... + 1038168.

It is an arithmetic number, because the mean of its divisors is an integer number (2076332).

Almost surely, 2^6228993 is an apocalyptic number.

It is an amenable number.

6228993 is a deficient number, since it is larger than the sum of its proper divisors (2076335).

6228993 is a wasteful number, since it uses less digits than its factorization.

6228993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076334.

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

The square root of 6228993 is about 2495.7950637021. The cubic root of 6228993 is about 183.9949687503.

The spelling of 6228993 in words is "six million, two hundred twenty-eight thousand, nine hundred ninety-three".