8216263 has 8 divisors (see below), whose sum is σ = 9038736. Its totient is φ = 7468120.

The previous prime is 8216231. The next prime is 8216269. The reversal of 8216263 is 3626128.

It is not a de Polignac number, because 8216263 - 2⁵ = 8216231 is a prime.

It is a Duffinian number.

8216263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216269) 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, 1756 + ... + 4417.

It is an arithmetic number, because the mean of its divisors is an integer number (1129842).

Almost surely, 2^8216263 is an apocalyptic number.

8216263 is a deficient number, since it is larger than the sum of its proper divisors (822473).

8216263 is an equidigital number, since it uses as much as digits as its factorization.

8216263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206 (or 6184 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 8216263 is about 2866.4024490640. The cubic root of 8216263 is about 201.7861917714.

The spelling of 8216263 in words is "eight million, two hundred sixteen thousand, two hundred sixty-three".