999843412 has 12 divisors (see below), whose sum is σ = 1775841760. Its totient is φ = 492460056.

The previous prime is 999843349. The next prime is 999843413. The reversal of 999843412 is 214348999.

999843412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999843413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865112 + ... + 1865647.

Almost surely, 2^999843412 is an apocalyptic number.

It is an amenable number.

999843412 is a deficient number, since it is larger than the sum of its proper divisors (775998348).

999843412 is a wasteful number, since it uses less digits than its factorization.

999843412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730830 (or 3730828 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 999843412 is about 31620.3006310819. The cubic root of 999843412 is about 999.9478012753.

The spelling of 999843412 in words is "nine hundred ninety-nine million, eight hundred forty-three thousand, four hundred twelve".