8211642 has 16 divisors (see below), whose sum is σ = 16453152. Its totient is φ = 2732240.

The previous prime is 8211641. The next prime is 8211659. The reversal of 8211642 is 2461128.

It is not an unprimeable number, because it can be changed into a prime (8211641) 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, 4093 + ... + 5759.

It is an arithmetic number, because the mean of its divisors is an integer number (1028322).

Almost surely, 2^8211642 is an apocalyptic number.

8211642 is an abundant number, since it is smaller than the sum of its proper divisors (8241510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8211642 is a wasteful number, since it uses less digits than its factorization.

8211642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its digits is 768, while the sum is 24.

The square root of 8211642 is about 2865.5962730294. The cubic root of 8211642 is about 201.7483550704.

The spelling of 8211642 in words is "eight million, two hundred eleven thousand, six hundred forty-two".