8434470 has 64 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 2006400.

The previous prime is 8434453. The next prime is 8434477. The reversal of 8434470 is 744348.

It is a super-2 number, since 2×8434470² = 142280568361800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19921 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (351540).

Almost surely, 2^8434470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8434470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11249280).

8434470 is an abundant number, since it is smaller than the sum of its proper divisors (14064090).

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

8434470 is a wasteful number, since it uses less digits than its factorization.

8434470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 8434470 is about 2904.2159010652. The cubic root of 8434470 is about 203.5569488888.

The spelling of 8434470 in words is "eight million, four hundred thirty-four thousand, four hundred seventy".