1385767 has 2 divisors, whose sum is σ = 1385768. Its totient is φ = 1385766.

The previous prime is 1385753. The next prime is 1385777. The reversal of 1385767 is 7675831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1385767 - 2¹⁵ = 1352999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692883 + 692884.

It is an arithmetic number, because the mean of its divisors is an integer number (692884).

2^1385767 is an apocalyptic number.

1385767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385767 is an equidigital number, since it uses as much as digits as its factorization.

1385767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 1385767 is about 1177.1860515653. The cubic root of 1385767 is about 111.4884998227.

Subtracting 1385767 from its reverse (7675831), we obtain a square (6290064 = 2508²).

It can be divided in two parts, 13857 and 67, that added together give a square (13924 = 118²).

The spelling of 1385767 in words is "one million, three hundred eighty-five thousand, seven hundred sixty-seven".