999363 has 16 divisors (see below), whose sum is σ = 1396736. Its totient is φ = 635040.

The previous prime is 999359. The next prime is 999371. The reversal of 999363 is 363999.

It is not a de Polignac number, because 999363 - 2² = 999359 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999363.

It is not an unprimeable number, because it can be changed into a prime (999563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7806 + ... + 7932.

It is an arithmetic number, because the mean of its divisors is an integer number (87296).

2⁹⁹⁹³⁶³ is an apocalyptic number.

999363 is a deficient number, since it is larger than the sum of its proper divisors (397373).

999363 is a wasteful number, since it uses less digits than its factorization.

999363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its digits is 39366, while the sum is 39.

The square root of 999363 is about 999.6814492627. The cubic root of 999363 is about 99.9787621565.

The spelling of 999363 in words is "nine hundred ninety-nine thousand, three hundred sixty-three".