6402126 has 32 divisors (see below), whose sum is σ = 13651200. Its totient is φ = 1995840.

The previous prime is 6402091. The next prime is 6402139. The reversal of 6402126 is 6212046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9831 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (426600).

Almost surely, 2^6402126 is an apocalyptic number.

6402126 is an abundant number, since it is smaller than the sum of its proper divisors (7249074).

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

6402126 is a wasteful number, since it uses less digits than its factorization.

6402126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6402126 is about 2530.2422808893. The cubic root of 6402126 is about 185.6841094391.

The spelling of 6402126 in words is "six million, four hundred two thousand, one hundred twenty-six".