999132 has 24 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 330096.

The previous prime is 999101. The next prime is 999133. The reversal of 999132 is 231999.

It is a junction number, because it is equal to n+sod(n) for n = 999093 and 999102.

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 999132.

It is not an unprimeable number, because it can be changed into a prime (999133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (98000).

2⁹⁹⁹¹³² is an apocalyptic number.

It is an amenable number.

999132 is an abundant number, since it is smaller than the sum of its proper divisors (1352868).

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

999132 is a wasteful number, since it uses less digits than its factorization.

999132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 743 counting only the distinct ones).

The product of its digits is 4374, while the sum is 33.

The square root of 999132 is about 999.5659057811. The cubic root of 999132 is about 99.9710582912.

The spelling of 999132 in words is "nine hundred ninety-nine thousand, one hundred thirty-two".