8416642 has 8 divisors (see below), whose sum is σ = 13596156. Its totient is φ = 3884592.

The previous prime is 8416637. The next prime is 8416651. The reversal of 8416642 is 2466148.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 841 = 2901^2 + 29^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161833 + ... + 161884.

Almost surely, 2^8416642 is an apocalyptic number.

8416642 is a deficient number, since it is larger than the sum of its proper divisors (5179514).

8416642 is a wasteful number, since it uses less digits than its factorization.

8416642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323732.

The product of its digits is 9216, while the sum is 31.

The square root of 8416642 is about 2901.1449463962. The cubic root of 8416642 is about 203.4134277909.

The spelling of 8416642 in words is "eight million, four hundred sixteen thousand, six hundred forty-two".