19794452 has 6 divisors (see below), whose sum is σ = 34640298. Its totient is φ = 9897224.

The previous prime is 19794449. The next prime is 19794469. The reversal of 19794452 is 25449791.

It can be written as a sum of positive squares in only one way, i.e., 19044496 + 749956 = 4364^2 + 866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2474303 + ... + 2474310.

It is an arithmetic number, because the mean of its divisors is an integer number (5773383).

Almost surely, 2^19794452 is an apocalyptic number.

It is an amenable number.

19794452 is a deficient number, since it is larger than the sum of its proper divisors (14845846).

19794452 is a wasteful number, since it uses less digits than its factorization.

19794452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948617 (or 4948615 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 19794452 is about 4449.0956384416. The cubic root of 19794452 is about 270.5086524885.

It can be divided in two parts, 197 and 94452, that added together give a palindrome (94649).

The spelling of 19794452 in words is "nineteen million, seven hundred ninety-four thousand, four hundred fifty-two".