6786428 has 24 divisors (see below), whose sum is σ = 13109040. Its totient is φ = 3048320.

The previous prime is 6786413. The next prime is 6786457. The reversal of 6786428 is 8246876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 4782.

It is an arithmetic number, because the mean of its divisors is an integer number (546210).

Almost surely, 2^6786428 is an apocalyptic number.

It is an amenable number.

6786428 is a deficient number, since it is larger than the sum of its proper divisors (6322612).

6786428 is a wasteful number, since it uses less digits than its factorization.

6786428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 6786428 is about 2605.0773500992. The cubic root of 6786428 is about 189.3275210916.

The spelling of 6786428 in words is "six million, seven hundred eighty-six thousand, four hundred twenty-eight".