1395965 has 8 divisors (see below), whose sum is σ = 1694520. Its totient is φ = 1103872.

The previous prime is 1395943. The next prime is 1395983. The reversal of 1395965 is 5695931.

It can be written as a sum of positive squares in 4 ways, for example, as 357604 + 1038361 = 598^2 + 1019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1395965 - 2¹⁰ = 1394941 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (211815).

2^1395965 is an apocalyptic number.

It is an amenable number.

1395965 is a deficient number, since it is larger than the sum of its proper divisors (298555).

1395965 is an equidigital number, since it uses as much as digits as its factorization.

1395965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its digits is 36450, while the sum is 38.

The square root of 1395965 is about 1181.5096275528. The cubic root of 1395965 is about 111.7613167459.

The spelling of 1395965 in words is "one million, three hundred ninety-five thousand, nine hundred sixty-five".