1944797 has 2 divisors, whose sum is σ = 1944798. Its totient is φ = 1944796.

The previous prime is 1944791. The next prime is 1944799. The reversal of 1944797 is 7974491.

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., 1907161 + 37636 = 1381^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 1944797 - 2⁴ = 1944781 is a prime.

Together with 1944799, it forms a pair of twin primes.

It is a Chen prime.

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, 972398 + 972399.

It is an arithmetic number, because the mean of its divisors is an integer number (972399).

2^1944797 is an apocalyptic number.

It is an amenable number.

1944797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944797 is an equidigital number, since it uses as much as digits as its factorization.

1944797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 1944797 is about 1394.5597871730. The cubic root of 1944797 is about 124.8220828841.

The spelling of 1944797 in words is "one million, nine hundred forty-four thousand, seven hundred ninety-seven".