8434426 has 48 divisors (see below), whose sum is σ = 17160192. Its totient is φ = 3025440.

The previous prime is 8434403. The next prime is 8434427. The reversal of 8434426 is 6244348.

It is a super-2 number, since 2×8434426² = 142279083898952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8434427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21831 + ... + 22213.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 2^8434426 is an apocalyptic number.

8434426 is an abundant number, since it is smaller than the sum of its proper divisors (8725766).

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

8434426 is a wasteful number, since it uses less digits than its factorization.

8434426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 416 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 8434426 is about 2904.2083258609. The cubic root of 8434426 is about 203.5565949238.

It can be divided in two parts, 8 and 434426, that added together give a palindrome (434434).

The spelling of 8434426 in words is "eight million, four hundred thirty-four thousand, four hundred twenty-six".