19429372 has 6 divisors (see below), whose sum is σ = 34001408. Its totient is φ = 9714684.

The previous prime is 19429357. The next prime is 19429373. The reversal of 19429372 is 27392491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19429373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428668 + ... + 2428675.

Almost surely, 2^19429372 is an apocalyptic number.

It is an amenable number.

19429372 is a deficient number, since it is larger than the sum of its proper divisors (14572036).

19429372 is a wasteful number, since it uses less digits than its factorization.

19429372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857347 (or 4857345 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 19429372 is about 4407.8761325609. The cubic root of 19429372 is about 268.8352754808.

The spelling of 19429372 in words is "nineteen million, four hundred twenty-nine thousand, three hundred seventy-two".