999152 has 40 divisors (see below), whose sum is σ = 2416512. Its totient is φ = 388800.

The previous prime is 999149. The next prime is 999169. The reversal of 999152 is 251999.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999152.

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 7 ways as a sum of consecutive naturals, for example, 827 + ... + 1637.

2⁹⁹⁹¹⁵² 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 999152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208256).

999152 is an abundant number, since it is smaller than the sum of its proper divisors (1417360).

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

999152 is a wasteful number, since it uses less digits than its factorization.

999152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 831 counting only the distinct ones).

The product of its digits is 7290, while the sum is 35.

The square root of 999152 is about 999.5759100739. The cubic root of 999152 is about 99.9717253395.

The spelling of 999152 in words is "nine hundred ninety-nine thousand, one hundred fifty-two".