999842612 has 24 divisors (see below), whose sum is σ = 1768378920. Its totient is φ = 494605440.

The previous prime is 999842593. The next prime is 999842621. The reversal of 999842612 is 216248999.

It is a happy number.

999842612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 539911696 + 459930916 = 23236^2 + 21446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409058 + ... + 411494.

It is an arithmetic number, because the mean of its divisors is an integer number (73682455).

Almost surely, 2^999842612 is an apocalyptic number.

It is an amenable number.

999842612 is a deficient number, since it is larger than the sum of its proper divisors (768536308).

999842612 is a wasteful number, since it uses less digits than its factorization.

999842612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491 (or 3489 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 999842612 is about 31620.2879809783. The cubic root of 999842612 is about 999.9475345808.

The spelling of 999842612 in words is "nine hundred ninety-nine million, eight hundred forty-two thousand, six hundred twelve".