999752 has 16 divisors (see below), whose sum is σ = 2018940. Its totient is φ = 461376.

The previous prime is 999749. The next prime is 999763. The reversal of 999752 is 257999.

It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 27556 = 986^2 + 166^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703 + ... + 4910.

2⁹⁹⁹⁷⁵² is an apocalyptic number.

It is an amenable number.

999752 is an abundant number, since it is smaller than the sum of its proper divisors (1019188).

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

999752 is a wasteful number, since it uses less digits than its factorization.

999752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9632 (or 9628 counting only the distinct ones).

The product of its digits is 51030, while the sum is 41.

The square root of 999752 is about 999.8759923110. The cubic root of 999752 is about 99.9917326499.

The spelling of 999752 in words is "nine hundred ninety-nine thousand, seven hundred fifty-two".