1008819 has 24 divisors (see below), whose sum is σ = 1697280. Its totient is φ = 565488.

The previous prime is 1008817. The next prime is 1008829. The reversal of 1008819 is 9188001.

It is not a de Polignac number, because 1008819 - 2¹ = 1008817 is a prime.

It is a super-2 number, since 2×1008819² = 2035431549522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1008792 and 1008801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4102 + ... + 4340.

It is an arithmetic number, because the mean of its divisors is an integer number (70720).

2^1008819 is an apocalyptic number.

1008819 is a deficient number, since it is larger than the sum of its proper divisors (688461).

1008819 is a wasteful number, since it uses less digits than its factorization.

1008819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1008819 is about 1004.3998207885. The cubic root of 1008819 is about 100.2931067118.

The spelling of 1008819 in words is "one million, eight thousand, eight hundred nineteen".