8461641 has 8 divisors (see below), whose sum is σ = 11587264. Its totient is φ = 5488560.

The previous prime is 8461639. The next prime is 8461643. The reversal of 8461641 is 1461648.

It is an interprime number because it is at equal distance from previous prime (8461639) and next prime (8461643).

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

It is not a de Polignac number, because 8461641 - 2¹ = 8461639 is a prime.

It is a Duffinian number.

8461641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8461599 and 8461608.

It is not an unprimeable number, because it can be changed into a prime (8461643) 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, 38005 + ... + 38226.

It is an arithmetic number, because the mean of its divisors is an integer number (1448408).

Almost surely, 2^8461641 is an apocalyptic number.

It is an amenable number.

8461641 is a deficient number, since it is larger than the sum of its proper divisors (3125623).

8461641 is a wasteful number, since it uses less digits than its factorization.

8461641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76271.

The product of its digits is 4608, while the sum is 30.

The square root of 8461641 is about 2908.8899944824. The cubic root of 8461641 is about 203.7752956412.

The spelling of 8461641 in words is "eight million, four hundred sixty-one thousand, six hundred forty-one".