1938367 has 2 divisors, whose sum is σ = 1938368. Its totient is φ = 1938366.

The previous prime is 1938359. The next prime is 1938373. The reversal of 1938367 is 7638391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1938367 - 2³ = 1938359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1938317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969183 + 969184.

It is an arithmetic number, because the mean of its divisors is an integer number (969184).

2^1938367 is an apocalyptic number.

1938367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1938367 is an equidigital number, since it uses as much as digits as its factorization.

1938367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 1938367 is about 1392.2524914684. The cubic root of 1938367 is about 124.6843663406.

The spelling of 1938367 in words is "one million, nine hundred thirty-eight thousand, three hundred sixty-seven".