8434945 has 8 divisors (see below), whose sum is σ = 10448640. Its totient is φ = 6530160.

The previous prime is 8434913. The next prime is 8434957. The reversal of 8434945 is 5494348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8434945 - 2⁵ = 8434913 is a prime.

It is a super-2 number, since 2×8434945² = 142296594306050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁷ + 4⁸ + 3⁵ + 4⁸ + 9⁵ + 4¹¹ + 5⁹ .

8434945 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27055 + ... + 27364.

It is an arithmetic number, because the mean of its divisors is an integer number (1306080).

Almost surely, 2^8434945 is an apocalyptic number.

It is an amenable number.

8434945 is a deficient number, since it is larger than the sum of its proper divisors (2013695).

8434945 is a wasteful number, since it uses less digits than its factorization.

8434945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54455.

The product of its digits is 69120, while the sum is 37.

The square root of 8434945 is about 2904.2976775806. The cubic root of 8434945 is about 203.5607700234.

The spelling of 8434945 in words is "eight million, four hundred thirty-four thousand, nine hundred forty-five".