1938359 has 2 divisors, whose sum is σ = 1938360. Its totient is φ = 1938358.

The previous prime is 1938317. The next prime is 1938367. The reversal of 1938359 is 9538391.

It is a strong prime.

It is an emirp because it is prime and its reverse (9538391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1938359 - 2⁸ = 1938103 is a prime.

It is a super-2 number, since 2×1938359² = 7514471225762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1938659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969179 + 969180.

It is an arithmetic number, because the mean of its divisors is an integer number (969180).

2^1938359 is an apocalyptic number.

1938359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1938359 is an equidigital number, since it uses as much as digits as its factorization.

1938359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 1938359 is about 1392.2496184234. The cubic root of 1938359 is about 124.6841948086.

The spelling of 1938359 in words is "one million, nine hundred thirty-eight thousand, three hundred fifty-nine".