999364 has 12 divisors (see below), whose sum is σ = 1755964. Its totient is φ = 497664.

The previous prime is 999359. The next prime is 999371. The reversal of 999364 is 463999.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 372100 = 792^2 + 610^2 .

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 3 ways as a sum of consecutive naturals, for example, 1444 + ... + 2020.

2⁹⁹⁹³⁶⁴ is an apocalyptic number.

It is an amenable number.

999364 is a deficient number, since it is larger than the sum of its proper divisors (756600).

999364 is a wasteful number, since it uses less digits than its factorization.

999364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 999364 is about 999.6819494219. The cubic root of 999364 is about 99.9787955040.

The spelling of 999364 in words is "nine hundred ninety-nine thousand, three hundred sixty-four".