8913219 has 16 divisors (see below), whose sum is σ = 14381568. Its totient is φ = 4793472.

The previous prime is 8913199. The next prime is 8913239. The reversal of 8913219 is 9123198.

It is an interprime number because it is at equal distance from previous prime (8913199) and next prime (8913239).

It is not a de Polignac number, because 8913219 - 2⁵ = 8913187 is a prime.

It is a super-2 number, since 2×8913219² = 158890945883922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8913219.

It is not an unprimeable number, because it can be changed into a prime (8913239) 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, 12127 + ... + 12840.

It is an arithmetic number, because the mean of its divisors is an integer number (898848).

Almost surely, 2^8913219 is an apocalyptic number.

8913219 is a deficient number, since it is larger than the sum of its proper divisors (5468349).

8913219 is a wasteful number, since it uses less digits than its factorization.

8913219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24994.

The product of its digits is 3888, while the sum is 33.

The square root of 8913219 is about 2985.5014654158. The cubic root of 8913219 is about 207.3376598342.

The spelling of 8913219 in words is "eight million, nine hundred thirteen thousand, two hundred nineteen".