8216190 has 24 divisors (see below), whose sum is σ = 21362328. Its totient is φ = 2190960.

The previous prime is 8216179. The next prime is 8216231. The reversal of 8216190 is 916128.

It is a super-2 number, since 2×8216190² = 135011556232200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45556 + ... + 45735.

It is an arithmetic number, because the mean of its divisors is an integer number (890097).

Almost surely, 2^8216190 is an apocalyptic number.

8216190 is an abundant number, since it is smaller than the sum of its proper divisors (13146138).

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

8216190 is a wasteful number, since it uses less digits than its factorization.

8216190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91304 (or 91301 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 8216190 is about 2866.3897153039. The cubic root of 8216190 is about 201.7855941584.

The spelling of 8216190 in words is "eight million, two hundred sixteen thousand, one hundred ninety".