1919941 has 4 divisors (see below), whose sum is σ = 1923712. Its totient is φ = 1916172.

The previous prime is 1919927. The next prime is 1919947. The reversal of 1919941 is 1499191.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1919941 - 2⁹ = 1919429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1919897 and 1919906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919947) 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, 975 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (480928).

2^1919941 is an apocalyptic number.

It is an amenable number.

1919941 is a deficient number, since it is larger than the sum of its proper divisors (3771).

1919941 is an equidigital number, since it uses as much as digits as its factorization.

1919941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770.

The product of its digits is 2916, while the sum is 34.

The square root of 1919941 is about 1385.6193561004. The cubic root of 1919941 is about 124.2880271229.

The spelling of 1919941 in words is "one million, nine hundred nineteen thousand, nine hundred forty-one".