908869 has 8 divisors (see below), whose sum is σ = 987392. Its totient is φ = 831600.

The previous prime is 908863. The next prime is 908879. The reversal of 908869 is 968809.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 908869 - 2³ = 908861 is a prime.

It is a super-2 number, since 2×908869² = 1652085718322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (908861) 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, 1732 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (123424).

2⁹⁰⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

908869 is a deficient number, since it is larger than the sum of its proper divisors (78523).

908869 is a wasteful number, since it uses less digits than its factorization.

908869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 908869 is about 953.3462120342. The cubic root of 908869 is about 96.8650477463.

The spelling of 908869 in words is "nine hundred eight thousand, eight hundred sixty-nine".