6402424 has 16 divisors (see below), whose sum is σ = 13719600. Its totient is φ = 2743872.

The previous prime is 6402413. The next prime is 6402433. The reversal of 6402424 is 4242046.

6402424 is a modest number, since divided by 2424 gives 640 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 6402395 and 6402404.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57109 + ... + 57220.

It is an arithmetic number, because the mean of its divisors is an integer number (857475).

Almost surely, 2^6402424 is an apocalyptic number.

It is an amenable number.

6402424 is an abundant number, since it is smaller than the sum of its proper divisors (7317176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6402424 is a wasteful number, since it uses less digits than its factorization.

6402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114342 (or 114338 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 6402424 is about 2530.3011678454. The cubic root of 6402424 is about 185.6869904094.

The spelling of 6402424 in words is "six million, four hundred two thousand, four hundred twenty-four".