8989819 has 4 divisors (see below), whose sum is σ = 9073944. Its totient is φ = 8905696.

The previous prime is 8989817. The next prime is 8989837. The reversal of 8989819 is 9189898.

8989819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9189898 = 2 ⋅4594949.

It is a cyclic number.

It is not a de Polignac number, because 8989819 - 2¹ = 8989817 is a prime.

It is a super-2 number, since 2×8989819² = 161633691305522, which contains 22 as substring.

It is a Duffinian number.

8989819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8989817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41902 + ... + 42115.

It is an arithmetic number, because the mean of its divisors is an integer number (2268486).

Almost surely, 2^8989819 is an apocalyptic number.

8989819 is a deficient number, since it is larger than the sum of its proper divisors (84125).

8989819 is a wasteful number, since it uses less digits than its factorization.

8989819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84124.

The product of its digits is 373248, while the sum is 52.

The square root of 8989819 is about 2998.3026865212. The cubic root of 8989819 is about 207.9299181428.

The spelling of 8989819 in words is "eight million, nine hundred eighty-nine thousand, eight hundred nineteen".