1395993 has 4 divisors (see below), whose sum is σ = 1861328. Its totient is φ = 930660.

The previous prime is 1395991. The next prime is 1395997. The reversal of 1395993 is 3995931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1395993 - 2¹ = 1395991 is a prime.

It is a D-number.

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, 232663 + ... + 232668.

It is an arithmetic number, because the mean of its divisors is an integer number (465332).

2^1395993 is an apocalyptic number.

It is an amenable number.

1395993 is a deficient number, since it is larger than the sum of its proper divisors (465335).

1395993 is an equidigital number, since it uses as much as digits as its factorization.

1395993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465334.

The product of its digits is 32805, while the sum is 39.

The square root of 1395993 is about 1181.5214767409. The cubic root of 1395993 is about 111.7620639699.

The spelling of 1395993 in words is "one million, three hundred ninety-five thousand, nine hundred ninety-three".