999968344 has 32 divisors (see below), whose sum is σ = 1926464400. Its totient is φ = 486420480.

The previous prime is 999968341. The next prime is 999968399. The reversal of 999968344 is 443869999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999968341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34864 + ... + 56704.

Almost surely, 2^999968344 is an apocalyptic number.

It is an amenable number.

999968344 is a deficient number, since it is larger than the sum of its proper divisors (926496056).

999968344 is a wasteful number, since it uses less digits than its factorization.

999968344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22003 (or 21999 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 61.

The square root of 999968344 is about 31622.2760724145. The cubic root of 999968344 is about 999.9894478887.

The spelling of 999968344 in words is "nine hundred ninety-nine million, nine hundred sixty-eight thousand, three hundred forty-four".