1386361 has 2 divisors, whose sum is σ = 1386362. Its totient is φ = 1386360.

The previous prime is 1386337. The next prime is 1386377. The reversal of 1386361 is 1636831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 219961 = 1080^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1386361 - 2¹⁵ = 1353593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1386311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693180 + 693181.

It is an arithmetic number, because the mean of its divisors is an integer number (693181).

2^1386361 is an apocalyptic number.

It is an amenable number.

1386361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386361 is an equidigital number, since it uses as much as digits as its factorization.

1386361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 1386361 is about 1177.4383211022. The cubic root of 1386361 is about 111.5044271537.

It can be divided in two parts, 13863 and 61, that added together give a square (13924 = 118²).

The spelling of 1386361 in words is "one million, three hundred eighty-six thousand, three hundred sixty-one".