999347960 has 32 divisors (see below), whose sum is σ = 2421498240. Its totient is φ = 368989824.

The previous prime is 999347927. The next prime is 999347977. The reversal of 999347960 is 69743999.

It is a junction number, because it is equal to n+sod(n) for n = 999347896 and 999347905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960392 + ... + 961431.

It is an arithmetic number, because the mean of its divisors is an integer number (75671820).

Almost surely, 2^999347960 is an apocalyptic number.

It is an amenable number.

999347960 is an abundant number, since it is smaller than the sum of its proper divisors (1422150280).

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

999347960 is a wasteful number, since it uses less digits than its factorization.

999347960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921847 (or 1921843 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 999347960 is about 31612.4652629307. The cubic root of 999347960 is about 999.7826060766.

The spelling of 999347960 in words is "nine hundred ninety-nine million, three hundred forty-seven thousand, nine hundred sixty".