6420376 has 16 divisors (see below), whose sum is σ = 12110400. Its totient is φ = 3190944.

The previous prime is 6420353. The next prime is 6420377. The reversal of 6420376 is 6730246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (756900).

Almost surely, 2^6420376 is an apocalyptic number.

It is an amenable number.

6420376 is a deficient number, since it is larger than the sum of its proper divisors (5690024).

6420376 is a wasteful number, since it uses less digits than its factorization.

6420376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 6420376 is about 2533.8460884592. The cubic root of 6420376 is about 185.8603800557.

The spelling of 6420376 in words is "six million, four hundred twenty thousand, three hundred seventy-six".