19390041 has 24 divisors (see below), whose sum is σ = 30984096. Its totient is φ = 11586240.

The previous prime is 19390039. The next prime is 19390043. The reversal of 19390041 is 14009391.

It is an interprime number because it is at equal distance from previous prime (19390039) and next prime (19390043).

It is not a de Polignac number, because 19390041 - 2¹ = 19390039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19389987 and 19390014.

It is not an unprimeable number, because it can be changed into a prime (19390043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5886 + ... + 8568.

It is an arithmetic number, because the mean of its divisors is an integer number (1291004).

Almost surely, 2^19390041 is an apocalyptic number.

19390041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19390041 is a deficient number, since it is larger than the sum of its proper divisors (11594055).

19390041 is a wasteful number, since it uses less digits than its factorization.

19390041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 19390041 is about 4403.4124267436. The cubic root of 19390041 is about 268.6537512922.

The spelling of 19390041 in words is "nineteen million, three hundred ninety thousand, forty-one".