999996361 has 24 divisors (see below), whose sum is σ = 1260559104. Its totient is φ = 786270240.

The previous prime is 999996359. The next prime is 999996383. The reversal of 999996361 is 163699999.

It is a happy number.

It is not a de Polignac number, because 999996361 - 2¹ = 999996359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999996361.

It is not an unprimeable number, because it can be changed into a prime (999996301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99016 + ... + 108646.

It is an arithmetic number, because the mean of its divisors is an integer number (52523296).

Almost surely, 2^999996361 is an apocalyptic number.

999996361 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

999996361 is a deficient number, since it is larger than the sum of its proper divisors (260562743).

999996361 is a wasteful number, since it uses less digits than its factorization.

999996361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9821 (or 9814 counting only the distinct ones).

The product of its digits is 6377292, while the sum is 61.

The square root of 999996361 is about 31622.7190639894. The cubic root of 999996361 is about 999.9987869985.

The spelling of 999996361 in words is "nine hundred ninety-nine million, nine hundred ninety-six thousand, three hundred sixty-one".