1919341 has 2 divisors, whose sum is σ = 1919342. Its totient is φ = 1919340.

The previous prime is 1919311. The next prime is 1919347. The reversal of 1919341 is 1439191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 687241 = 1110^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1919341 - 2¹³ = 1911149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1919347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959670 + 959671.

It is an arithmetic number, because the mean of its divisors is an integer number (959671).

2^1919341 is an apocalyptic number.

It is an amenable number.

1919341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1919341 is an equidigital number, since it uses as much as digits as its factorization.

1919341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 28.

The square root of 1919341 is about 1385.4028295048. The cubic root of 1919341 is about 124.2750787066.

The spelling of 1919341 in words is "one million, nine hundred nineteen thousand, three hundred forty-one".