1386901 has 2 divisors, whose sum is σ = 1386902. Its totient is φ = 1386900.

The previous prime is 1386883. The next prime is 1386929. The reversal of 1386901 is 1096831.

It is a happy number.

It is an a-pointer prime, because the next prime (1386929) can be obtained adding 1386901 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267876 + 119025 = 1126^2 + 345^2 .

It is an emirp because it is prime and its reverse (1096831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1386901 - 2⁷ = 1386773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1386901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693450 + 693451.

It is an arithmetic number, because the mean of its divisors is an integer number (693451).

2^1386901 is an apocalyptic number.

It is an amenable number.

1386901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386901 is an equidigital number, since it uses as much as digits as its factorization.

1386901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1386901 is about 1177.6676101515. The cubic root of 1386901 is about 111.5189025980.

The spelling of 1386901 in words is "one million, three hundred eighty-six thousand, nine hundred one".