19097941 has 4 divisors (see below), whose sum is σ = 19411084. Its totient is φ = 18784800.

The previous prime is 19097909. The next prime is 19097959. The reversal of 19097941 is 14979091.

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 1331716 + 17766225 = 1154^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 19097941 - 2⁵ = 19097909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19097894 and 19097903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19097971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156480 + ... + 156601.

It is an arithmetic number, because the mean of its divisors is an integer number (4852771).

Almost surely, 2^19097941 is an apocalyptic number.

It is an amenable number.

19097941 is a deficient number, since it is larger than the sum of its proper divisors (313143).

19097941 is an equidigital number, since it uses as much as digits as its factorization.

19097941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313142.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 19097941 is about 4370.1191059283. The cubic root of 19097941 is about 267.2978809185.

The spelling of 19097941 in words is "nineteen million, ninety-seven thousand, nine hundred forty-one".