6402426 has 16 divisors (see below), whose sum is σ = 12830400. Its totient is φ = 2129888.

The previous prime is 6402413. The next prime is 6402433. The reversal of 6402426 is 6242046.

It is a junction number, because it is equal to n+sod(n) for n = 6402396 and 6402405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4195 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (801900).

Almost surely, 2^6402426 is an apocalyptic number.

6402426 is an abundant number, since it is smaller than the sum of its proper divisors (6427974).

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

6402426 is a wasteful number, since it uses less digits than its factorization.

6402426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 6402426 is about 2530.3015630553. The cubic root of 6402426 is about 185.6870097445.

The spelling of 6402426 in words is "six million, four hundred two thousand, four hundred twenty-six".