1944799 has 2 divisors, whose sum is σ = 1944800. Its totient is φ = 1944798.

The previous prime is 1944797. The next prime is 1944823. The reversal of 1944799 is 9974491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1944799 - 2¹ = 1944797 is a prime.

Together with 1944797, it forms a pair of twin primes.

1944799 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1944791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972399 + 972400.

It is an arithmetic number, because the mean of its divisors is an integer number (972400).

2^1944799 is an apocalyptic number.

1944799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944799 is an equidigital number, since it uses as much as digits as its factorization.

1944799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 1944799 is about 1394.5605042450. The cubic root of 1944799 is about 124.8221256725.

The spelling of 1944799 in words is "one million, nine hundred forty-four thousand, seven hundred ninety-nine".