6851228 has 6 divisors (see below), whose sum is σ = 11989656. Its totient is φ = 3425612.

The previous prime is 6851213. The next prime is 6851231. The reversal of 6851228 is 8221586.

It is a junction number, because it is equal to n+sod(n) for n = 6851194 and 6851203.

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, 856400 + ... + 856407.

It is an arithmetic number, because the mean of its divisors is an integer number (1998276).

Almost surely, 2^6851228 is an apocalyptic number.

It is an amenable number.

6851228 is a deficient number, since it is larger than the sum of its proper divisors (5138428).

6851228 is a wasteful number, since it uses less digits than its factorization.

6851228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712811 (or 1712809 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 6851228 is about 2617.4850524884. The cubic root of 6851228 is about 189.9282092580.

It can be divided in two parts, 6851 and 228, that multiplied together give a triangular number (1562028 = T₁₇₆₇).

The spelling of 6851228 in words is "six million, eight hundred fifty-one thousand, two hundred twenty-eight".