6436422 has 40 divisors (see below), whose sum is σ = 14662296. Its totient is φ = 2109888.

The previous prime is 6436379. The next prime is 6436447. The reversal of 6436422 is 2246346.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10558 + ... + 11150.

Almost surely, 2^6436422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6436422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7331148).

6436422 is an abundant number, since it is smaller than the sum of its proper divisors (8225874).

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

6436422 is a wasteful number, since it uses less digits than its factorization.

6436422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 665 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 6436422 is about 2537.0104453865. The cubic root of 6436422 is about 186.0150872257.

The spelling of 6436422 in words is "six million, four hundred thirty-six thousand, four hundred twenty-two".