999943346 has 8 divisors (see below), whose sum is σ = 1501888284. Its totient is φ = 499313920.

The previous prime is 999943337. The next prime is 999943363. The reversal of 999943346 is 643349999.

It can be written as a sum of positive squares in 2 ways, for example, as 921426025 + 78517321 = 30355^2 + 8861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 999943291 and 999943300.

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, 326975 + ... + 330018.

Almost surely, 2^999943346 is an apocalyptic number.

999943346 is a deficient number, since it is larger than the sum of its proper divisors (501944938).

999943346 is a wasteful number, since it uses less digits than its factorization.

999943346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657756.

The product of its digits is 5668704, while the sum is 56.

The square root of 999943346 is about 31621.8808106033. The cubic root of 999943346 is about 999.9811149767.

The spelling of 999943346 in words is "nine hundred ninety-nine million, nine hundred forty-three thousand, three hundred forty-six".