6394228 has 6 divisors (see below), whose sum is σ = 11189906. Its totient is φ = 3197112.

The previous prime is 6394217. The next prime is 6394231. The reversal of 6394228 is 8224936.

It can be written as a sum of positive squares in only one way, i.e., 6012304 + 381924 = 2452^2 + 618^2 .

It is a d-powerful number, because it can be written as 6³ + 3¹³ + 9⁷ + 4² + 2⁸ + 2¹⁴ + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 6394193 and 6394202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799275 + ... + 799282.

Almost surely, 2^6394228 is an apocalyptic number.

It is an amenable number.

6394228 is a deficient number, since it is larger than the sum of its proper divisors (4795678).

6394228 is a wasteful number, since it uses less digits than its factorization.

6394228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598561 (or 1598559 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 6394228 is about 2528.6810791399. The cubic root of 6394228 is about 185.6077214510.

The spelling of 6394228 in words is "six million, three hundred ninety-four thousand, two hundred twenty-eight".