1386425 has 6 divisors (see below), whose sum is σ = 1719198. Its totient is φ = 1109120.

The previous prime is 1386419. The next prime is 1386443. The reversal of 1386425 is 5246831.

It can be written as a sum of positive squares in 3 ways, for example, as 22201 + 1364224 = 149^2 + 1168^2 .

It is not a de Polignac number, because 1386425 - 2⁶ = 1386361 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 8⁶ + 6 + 4⁵ + 2²⁰ + 5⁶ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27704 + ... + 27753.

It is an arithmetic number, because the mean of its divisors is an integer number (286533).

2^1386425 is an apocalyptic number.

It is an amenable number.

1386425 is a deficient number, since it is larger than the sum of its proper divisors (332773).

1386425 is an equidigital number, since it uses as much as digits as its factorization.

1386425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55467 (or 55462 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1386425 is about 1177.4654984330. The cubic root of 1386425 is about 111.5061429582.

The spelling of 1386425 in words is "one million, three hundred eighty-six thousand, four hundred twenty-five".