19740329 has 16 divisors (see below), whose sum is σ = 23846400. Its totient is φ = 15981504.

The previous prime is 19740319. The next prime is 19740337. The reversal of 19740329 is 92304791.

It is not a de Polignac number, because 19740329 - 2⁴ = 19740313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19740319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8507 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (1490400).

Almost surely, 2^19740329 is an apocalyptic number.

It is an amenable number.

19740329 is a deficient number, since it is larger than the sum of its proper divisors (4106071).

19740329 is a wasteful number, since it uses less digits than its factorization.

19740329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 19740329 is about 4443.0090029168. The cubic root of 19740329 is about 270.2618812565.

The spelling of 19740329 in words is "nineteen million, seven hundred forty thousand, three hundred twenty-nine".