19841045 has 16 divisors (see below), whose sum is σ = 27619968. Its totient is φ = 13400640.

The previous prime is 19841033. The next prime is 19841047. The reversal of 19841045 is 54014891.

It is not a de Polignac number, because 19841045 - 2⁶ = 19840981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19841047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (1726248).

Almost surely, 2^19841045 is an apocalyptic number.

It is an amenable number.

19841045 is a deficient number, since it is larger than the sum of its proper divisors (7778923).

19841045 is an equidigital number, since it uses as much as digits as its factorization.

19841045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8540.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 19841045 is about 4454.3287934323. The cubic root of 19841045 is about 270.7207309947.

The spelling of 19841045 in words is "nineteen million, eight hundred forty-one thousand, forty-five".