6491228 has 24 divisors (see below), whose sum is σ = 11772432. Its totient is φ = 3129984.

The previous prime is 6491227. The next prime is 6491231. The reversal of 6491228 is 8221946.

It is a junction number, because it is equal to n+sod(n) for n = 6491194 and 6491203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13976 + ... + 14432.

It is an arithmetic number, because the mean of its divisors is an integer number (490518).

Almost surely, 2^6491228 is an apocalyptic number.

It is an amenable number.

6491228 is a deficient number, since it is larger than the sum of its proper divisors (5281204).

6491228 is a wasteful number, since it uses less digits than its factorization.

6491228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 579 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 6491228 is about 2547.7888452539. The cubic root of 6491228 is about 186.5415672573.

The spelling of 6491228 in words is "six million, four hundred ninety-one thousand, two hundred twenty-eight".