6401276 has 12 divisors (see below), whose sum is σ = 12802608. Its totient is φ = 2743392.

The previous prime is 6401273. The next prime is 6401293. The reversal of 6401276 is 6721046.

6401276 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401273) 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, 114281 + ... + 114336.

It is an arithmetic number, because the mean of its divisors is an integer number (1066884).

Almost surely, 2^6401276 is an apocalyptic number.

It is an amenable number.

6401276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6401276 is a wasteful number, since it uses less digits than its factorization.

6401276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228628 (or 228626 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 6401276 is about 2530.0743072092. The cubic root of 6401276 is about 185.6758914149.

The spelling of 6401276 in words is "six million, four hundred one thousand, two hundred seventy-six".