1938773 has 2 divisors, whose sum is σ = 1938774. Its totient is φ = 1938772.

The previous prime is 1938751. The next prime is 1938787. The reversal of 1938773 is 3778391.

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., 1423249 + 515524 = 1193^2 + 718^2 .

It is an emirp because it is prime and its reverse (3778391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1938773 - 2¹⁸ = 1676629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1938743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969386 + 969387.

It is an arithmetic number, because the mean of its divisors is an integer number (969387).

2^1938773 is an apocalyptic number.

It is an amenable number.

1938773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1938773 is an equidigital number, since it uses as much as digits as its factorization.

1938773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 1938773 is about 1392.3982907200. The cubic root of 1938773 is about 124.6930709734.

The spelling of 1938773 in words is "one million, nine hundred thirty-eight thousand, seven hundred seventy-three".