6428007 has 6 divisors (see below), whose sum is σ = 9284912. Its totient is φ = 4285332.

The previous prime is 6427987. The next prime is 6428011. The reversal of 6428007 is 7008246.

It is not a de Polignac number, because 6428007 - 2¹⁰ = 6426983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357103 + ... + 357120.

Almost surely, 2^6428007 is an apocalyptic number.

6428007 is a deficient number, since it is larger than the sum of its proper divisors (2856905).

6428007 is a wasteful number, since it uses less digits than its factorization.

6428007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714229 (or 714226 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6428007 is about 2535.3514549269. The cubic root of 6428007 is about 185.9339862858.

It can be divided in two parts, 642 and 8007, that added together give a square (8649 = 93²).

The spelling of 6428007 in words is "six million, four hundred twenty-eight thousand, seven".