899815248 has 120 divisors (see below), whose sum is σ = 2666183520. Its totient is φ = 282804480.

The previous prime is 899815237. The next prime is 899815283. The reversal of 899815248 is 842518998.

It is a junction number, because it is equal to n+sod(n) for n = 899815194 and 899815203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177063 + ... + 182073.

It is an arithmetic number, because the mean of its divisors is an integer number (22218196).

Almost surely, 2^899815248 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 899815248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333091760).

899815248 is an abundant number, since it is smaller than the sum of its proper divisors (1766368272).

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

899815248 is a wasteful number, since it uses less digits than its factorization.

899815248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5088 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The square root of 899815248 is about 29996.9206419592. The cubic root of 899815248 is about 965.4233148642.

The spelling of 899815248 in words is "eight hundred ninety-nine million, eight hundred fifteen thousand, two hundred forty-eight".