8347433424 has 160 divisors (see below), whose sum is σ = 24703847424. Its totient is φ = 2404131840.

The previous prime is 8347433357. The next prime is 8347433441. The reversal of 8347433424 is 4243347438.

It is a happy number.

It is a super-2 number, since 2×8347433424² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1977364 + ... + 1981580.

Almost surely, 2^8347433424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8347433424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12351923712).

8347433424 is an abundant number, since it is smaller than the sum of its proper divisors (16356414000).

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

8347433424 is a wasteful number, since it uses less digits than its factorization.

8347433424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425 (or 4419 counting only the distinct ones).

The product of its digits is 774144, while the sum is 42.

The square root of 8347433424 is about 91364.2896541094. The cubic root of 8347433424 is about 2028.5434822082.

The spelling of 8347433424 in words is "eight billion, three hundred forty-seven million, four hundred thirty-three thousand, four hundred twenty-four".