1395971 has 4 divisors (see below), whose sum is σ = 1398600. Its totient is φ = 1393344.

The previous prime is 1395943. The next prime is 1395983. The reversal of 1395971 is 1795931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1395971 - 2⁶ = 1395907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (349650).

2^1395971 is an apocalyptic number.

1395971 is a deficient number, since it is larger than the sum of its proper divisors (2629).

1395971 is an equidigital number, since it uses as much as digits as its factorization.

1395971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 8505, while the sum is 35.

The square root of 1395971 is about 1181.5121666746. The cubic root of 1395971 is about 111.7614768661.

The spelling of 1395971 in words is "one million, three hundred ninety-five thousand, nine hundred seventy-one".