899928 has 48 divisors (see below), whose sum is σ = 2527200. Its totient is φ = 288960.

The previous prime is 899917. The next prime is 899939. The reversal of 899928 is 829998.

It is an interprime number because it is at equal distance from previous prime (899917) and next prime (899939).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1873 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2⁸⁹⁹⁹²⁸ 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 899928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263600).

899928 is an abundant number, since it is smaller than the sum of its proper divisors (1627272).

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

899928 is a wasteful number, since it uses less digits than its factorization.

899928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 465 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 899928 is about 948.6453499596. The cubic root of 899928 is about 96.5463637535.

It can be divided in two parts, 89992 and 8, that added together give a square (90000 = 300²).

The spelling of 899928 in words is "eight hundred ninety-nine thousand, nine hundred twenty-eight".