19994708 has 12 divisors (see below), whose sum is σ = 35185332. Its totient is φ = 9941760.

The previous prime is 19994701. The next prime is 19994729. The reversal of 19994708 is 80749991.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 19909444 = 292^2 + 4462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19994701) 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, 13085 + ... + 14532.

It is an arithmetic number, because the mean of its divisors is an integer number (2932111).

Almost surely, 2^19994708 is an apocalyptic number.

It is an amenable number.

19994708 is a deficient number, since it is larger than the sum of its proper divisors (15190624).

19994708 is a wasteful number, since it uses less digits than its factorization.

19994708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27802 (or 27800 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 19994708 is about 4471.5442522690. The cubic root of 19994708 is about 271.4178183842.

It can be divided in two parts, 19994 and 708, that added together give a palindrome (20702).

The spelling of 19994708 in words is "nineteen million, nine hundred ninety-four thousand, seven hundred eight".