1008869 has 4 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 1006860.

The previous prime is 1008863. The next prime is 1008871. The reversal of 1008869 is 9688001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9688001 = 29 ⋅334069.

It is a cyclic number.

It is not a de Polignac number, because 1008869 - 2⁴ = 1008853 is a prime.

It is a super-3 number, since 3×1008869³ = 3080531025333296727, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008863) 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, 452 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

2^1008869 is an apocalyptic number.

It is an amenable number.

1008869 is a deficient number, since it is larger than the sum of its proper divisors (2011).

1008869 is an equidigital number, since it uses as much as digits as its factorization.

1008869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1008869 is about 1004.4247109664. The cubic root of 1008869 is about 100.2947636237.

The spelling of 1008869 in words is "one million, eight thousand, eight hundred sixty-nine".