8424681 has 8 divisors (see below), whose sum is σ = 11282880. Its totient is φ = 5591472.

The previous prime is 8424677. The next prime is 8424683. The reversal of 8424681 is 1864248.

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

It is not a de Polignac number, because 8424681 - 2² = 8424677 is a prime.

It is a super-2 number, since 2×8424681² = 141950499903522, which contains 22 as substring.

8424681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8424683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5445 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (1410360).

Almost surely, 2^8424681 is an apocalyptic number.

It is an amenable number.

8424681 is a deficient number, since it is larger than the sum of its proper divisors (2858199).

8424681 is a wasteful number, since it uses less digits than its factorization.

8424681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495.

The product of its digits is 12288, while the sum is 33.

The square root of 8424681 is about 2902.5301032031. The cubic root of 8424681 is about 203.4781693747.

The spelling of 8424681 in words is "eight million, four hundred twenty-four thousand, six hundred eighty-one".