909868 has 6 divisors (see below), whose sum is σ = 1592276. Its totient is φ = 454932.

The previous prime is 909863. The next prime is 909877. The reversal of 909868 is 868909.

It is a happy number.

909868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 909868.

It is not an unprimeable number, because it can be changed into a prime (909863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113730 + ... + 113737.

2⁹⁰⁹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

909868 is a deficient number, since it is larger than the sum of its proper divisors (682408).

909868 is a wasteful number, since it uses less digits than its factorization.

909868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227471 (or 227469 counting only the distinct ones).

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

The square root of 909868 is about 953.8700121086. The cubic root of 909868 is about 96.9005250811.

The spelling of 909868 in words is "nine hundred nine thousand, eight hundred sixty-eight".