918861048 has 96 divisors (see below), whose sum is σ = 2886648960. Its totient is φ = 258603840.

The previous prime is 918861011. The next prime is 918861089. The reversal of 918861048 is 840168819.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 918860994 and 918861012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20163 + ... + 47373.

It is an arithmetic number, because the mean of its divisors is an integer number (30069260).

Almost surely, 2^918861048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918861048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443324480).

918861048 is an abundant number, since it is smaller than the sum of its proper divisors (1967787912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

918861048 is a wasteful number, since it uses less digits than its factorization.

918861048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27297 (or 27290 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 918861048 is about 30312.7208940405. The cubic root of 918861048 is about 972.1873083115.

The spelling of 918861048 in words is "nine hundred eighteen million, eight hundred sixty-one thousand, forty-eight".