8416641 has 16 divisors (see below), whose sum is σ = 11750400. Its totient is φ = 5351808.

The previous prime is 8416637. The next prime is 8416651. The reversal of 8416641 is 1466148.

It is not a de Polignac number, because 8416641 - 2² = 8416637 is a prime.

8416641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8416599 and 8416608.

It is not an unprimeable number, because it can be changed into a prime (8416621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7200 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (734400).

Almost surely, 2^8416641 is an apocalyptic number.

It is an amenable number.

8416641 is a deficient number, since it is larger than the sum of its proper divisors (3333759).

8416641 is a wasteful number, since it uses less digits than its factorization.

8416641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

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

The square root of 8416641 is about 2901.1447740504. The cubic root of 8416641 is about 203.4134197349.

The spelling of 8416641 in words is "eight million, four hundred sixteen thousand, six hundred forty-one".