1392943 has 2 divisors, whose sum is σ = 1392944. Its totient is φ = 1392942.

The previous prime is 1392901. The next prime is 1392953. The reversal of 1392943 is 3492931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1392943 - 2⁹ = 1392431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392953) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696471 + 696472.

It is an arithmetic number, because the mean of its divisors is an integer number (696472).

2^1392943 is an apocalyptic number.

1392943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392943 is an equidigital number, since it uses as much as digits as its factorization.

1392943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 1392943 is about 1180.2300623184. The cubic root of 1392943 is about 111.6806111147.

The spelling of 1392943 in words is "one million, three hundred ninety-two thousand, nine hundred forty-three".