1388941 has 2 divisors, whose sum is σ = 1388942. Its totient is φ = 1388940.

The previous prime is 1388927. The next prime is 1388953. The reversal of 1388941 is 1498831.

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., 1313316 + 75625 = 1146^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1388941 - 2¹⁷ = 1257869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1388897 and 1388906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694470 + 694471.

It is an arithmetic number, because the mean of its divisors is an integer number (694471).

2^1388941 is an apocalyptic number.

It is an amenable number.

1388941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388941 is an equidigital number, since it uses as much as digits as its factorization.

1388941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 1388941 is about 1178.5334106422. The cubic root of 1388941 is about 111.5735537254.

The spelling of 1388941 in words is "one million, three hundred eighty-eight thousand, nine hundred forty-one".