8429641 has 8 divisors (see below), whose sum is σ = 9420768. Its totient is φ = 7476000.

The previous prime is 8429639. The next prime is 8429657. The reversal of 8429641 is 1469248.

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

It is a cyclic number.

It is not a de Polignac number, because 8429641 - 2¹ = 8429639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8429597 and 8429606.

It is not an unprimeable number, because it can be changed into a prime (8429621) 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, 8895 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (1177596).

Almost surely, 2^8429641 is an apocalyptic number.

It is an amenable number.

8429641 is a deficient number, since it is larger than the sum of its proper divisors (991127).

8429641 is a wasteful number, since it uses less digits than its factorization.

8429641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18743.

The product of its digits is 13824, while the sum is 34.

The square root of 8429641 is about 2903.3844044494. The cubic root of 8429641 is about 203.5180938822.

The spelling of 8429641 in words is "eight million, four hundred twenty-nine thousand, six hundred forty-one".