8281641 has 8 divisors (see below), whose sum is σ = 11091744. Its totient is φ = 5496320.

The previous prime is 8281639. The next prime is 8281643. The reversal of 8281641 is 1461828.

8281641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8281639) and next prime (8281643).

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 8281641 - 2¹ = 8281639 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8281599 and 8281608.

It is not an unprimeable number, because it can be changed into a prime (8281643) 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, 5400 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (1386468).

Almost surely, 2^8281641 is an apocalyptic number.

It is an amenable number.

8281641 is a deficient number, since it is larger than the sum of its proper divisors (2810103).

8281641 is a wasteful number, since it uses less digits than its factorization.

8281641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391.

The product of its digits is 3072, while the sum is 30.

The square root of 8281641 is about 2877.7840433222. The cubic root of 8281641 is about 202.3199924498.

The spelling of 8281641 in words is "eight million, two hundred eighty-one thousand, six hundred forty-one".