6428084 has 36 divisors (see below), whose sum is σ = 12558924. Its totient is φ = 2875392.

The previous prime is 6428083. The next prime is 6428087. The reversal of 6428084 is 4808246.

6428084 = T₄₇₁ + T₄₇₂ + ... + T₅₂₂.

It can be written as a sum of positive squares in 6 ways, for example, as 178084 + 6250000 = 422^2 + 2500^2 .

It is a super-2 number, since 2×6428084² = 82640527822112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6428084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24884 + ... + 25140.

It is an arithmetic number, because the mean of its divisors is an integer number (348859).

Almost surely, 2^6428084 is an apocalyptic number.

It is an amenable number.

6428084 is a deficient number, since it is larger than the sum of its proper divisors (6130840).

6428084 is a wasteful number, since it uses less digits than its factorization.

6428084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 6428084 is about 2535.3666401529. The cubic root of 6428084 is about 185.9347287067.

The spelling of 6428084 in words is "six million, four hundred twenty-eight thousand, eighty-four".