6228909 has 12 divisors (see below), whose sum is σ = 9035676. Its totient is φ = 4134912.

The previous prime is 6228907. The next prime is 6228917. The reversal of 6228909 is 9098226.

It can be written as a sum of positive squares in 2 ways, for example, as 4796100 + 1432809 = 2190^2 + 1197^2 .

It is not a de Polignac number, because 6228909 - 2¹ = 6228907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 967 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (752973).

Almost surely, 2^6228909 is an apocalyptic number.

It is an amenable number.

6228909 is a deficient number, since it is larger than the sum of its proper divisors (2806767).

6228909 is a wasteful number, since it uses less digits than its factorization.

6228909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 6228909 is about 2495.7782353406. The cubic root of 6228909 is about 183.9941416692.

The spelling of 6228909 in words is "six million, two hundred twenty-eight thousand, nine hundred nine".