8434456 has 16 divisors (see below), whose sum is σ = 15855840. Its totient is φ = 4206240.

The previous prime is 8434453. The next prime is 8434477. The reversal of 8434456 is 6544348.

It is a super-2 number, since 2×8434456² = 142280096031872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (990990).

Almost surely, 2^8434456 is an apocalyptic number.

It is an amenable number.

8434456 is a deficient number, since it is larger than the sum of its proper divisors (7421384).

8434456 is a wasteful number, since it uses less digits than its factorization.

8434456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2750 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 8434456 is about 2904.2134907751. The cubic root of 8434456 is about 203.5568362637.

The spelling of 8434456 in words is "eight million, four hundred thirty-four thousand, four hundred fifty-six".