19829941 has 4 divisors (see below), whose sum is σ = 20155084. Its totient is φ = 19504800.

The previous prime is 19829921. The next prime is 19829981. The reversal of 19829941 is 14992891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5503716 + 14326225 = 2346^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 19829941 - 2⁷ = 19829813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19829921) 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 3 ways as a sum of consecutive naturals, for example, 162480 + ... + 162601.

It is an arithmetic number, because the mean of its divisors is an integer number (5038771).

Almost surely, 2^19829941 is an apocalyptic number.

It is an amenable number.

19829941 is a deficient number, since it is larger than the sum of its proper divisors (325143).

19829941 is an equidigital number, since it uses as much as digits as its factorization.

19829941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325142.

The product of its digits is 46656, while the sum is 43.

The square root of 19829941 is about 4453.0821910223. The cubic root of 19829941 is about 270.6702188039.

The spelling of 19829941 in words is "nineteen million, eight hundred twenty-nine thousand, nine hundred forty-one".