8434384 has 20 divisors (see below), whose sum is σ = 18676384. Its totient is φ = 3614688.

The previous prime is 8434379. The next prime is 8434403. The reversal of 8434384 is 4834348.

It is a super-2 number, since 2×8434384² = 142277666918912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37542 + ... + 37765.

Almost surely, 2^8434384 is an apocalyptic number.

It is an amenable number.

8434384 is an abundant number, since it is smaller than the sum of its proper divisors (10242000).

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

8434384 is a wasteful number, since it uses less digits than its factorization.

8434384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75322 (or 75316 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 8434384 is about 2904.2010949657. The cubic root of 8434384 is about 203.5562570470.

The spelling of 8434384 in words is "eight million, four hundred thirty-four thousand, three hundred eighty-four".