6801428 has 24 divisors (see below), whose sum is σ = 13041000. Its totient is φ = 3089408.

The previous prime is 6801407. The next prime is 6801433. The reversal of 6801428 is 8241086.

It can be written as a sum of positive squares in 4 ways, for example, as 258064 + 6543364 = 508^2 + 2558^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 6801428.

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, 248 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (543375).

Almost surely, 2^6801428 is an apocalyptic number.

6801428 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6801428 is a deficient number, since it is larger than the sum of its proper divisors (6239572).

6801428 is a wasteful number, since it uses less digits than its factorization.

6801428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 6801428 is about 2607.9547542087. The cubic root of 6801428 is about 189.4669082643.

The spelling of 6801428 in words is "six million, eight hundred one thousand, four hundred twenty-eight".