6425428 has 12 divisors (see below), whose sum is σ = 11263392. Its totient is φ = 3207320.

The previous prime is 6425423. The next prime is 6425467. The reversal of 6425428 is 8245246.

It is a super-2 number, since 2×6425428² = 82572249966368, 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 6425428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (938616).

Almost surely, 2^6425428 is an apocalyptic number.

It is an amenable number.

6425428 is a deficient number, since it is larger than the sum of its proper divisors (4837964).

6425428 is a wasteful number, since it uses less digits than its factorization.

6425428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2700 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 6425428 is about 2534.8427959146. The cubic root of 6425428 is about 185.9091165817.

The spelling of 6425428 in words is "six million, four hundred twenty-five thousand, four hundred twenty-eight".