918488869 has 8 divisors (see below), whose sum is σ = 973461888. Its totient is φ = 863620800.

The previous prime is 918488833. The next prime is 918488881. The reversal of 918488869 is 968884819.

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 918488869 - 2¹³ = 918480677 is a prime.

It is a super-2 number, since 2×918488869² = 1687243604953798322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918488819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7837 + ... + 43570.

It is an arithmetic number, because the mean of its divisors is an integer number (121682736).

Almost surely, 2^918488869 is an apocalyptic number.

It is an amenable number.

918488869 is a deficient number, since it is larger than the sum of its proper divisors (54973019).

918488869 is a wasteful number, since it uses less digits than its factorization.

918488869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52475.

The product of its digits is 7962624, while the sum is 61.

The square root of 918488869 is about 30306.5812819592. The cubic root of 918488869 is about 972.0560310946.

The spelling of 918488869 in words is "nine hundred eighteen million, four hundred eighty-eight thousand, eight hundred sixty-nine".