9994000738 has 4 divisors (see below), whose sum is σ = 14991001110. Its totient is φ = 4997000368.

The previous prime is 9994000729. The next prime is 9994000739. The reversal of 9994000738 is 8370004999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8370004999 = 137 ⋅61094927.

It can be written as a sum of positive squares in only one way, i.e., 5061326449 + 4932674289 = 71143^2 + 70233^2 .

It is a super-2 number, since 2×9994000738² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9994000691 and 9994000700.

It is not an unprimeable number, because it can be changed into a prime (9994000739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498500183 + ... + 2498500186.

Almost surely, 2^9994000738 is an apocalyptic number.

9994000738 is a deficient number, since it is larger than the sum of its proper divisors (4997000372).

9994000738 is a wasteful number, since it uses less digits than its factorization.

9994000738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997000371.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 9994000738 is about 99969.9991897569. Note that the first 3 decimals coincide. The cubic root of 9994000738 is about 2154.0037699081.

The spelling of 9994000738 in words is "nine billion, nine hundred ninety-four million, seven hundred thirty-eight", and thus it is an aban number.