1395823 has 16 divisors (see below), whose sum is σ = 1685376. Its totient is φ = 1139040.

The previous prime is 1395817. The next prime is 1395829. The reversal of 1395823 is 3285931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1395817) and next prime (1395829).

It is a cyclic number.

It is not a de Polignac number, because 1395823 - 2⁵ = 1395791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6036 + ... + 6262.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2^1395823 is an apocalyptic number.

1395823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1395823 is a deficient number, since it is larger than the sum of its proper divisors (289553).

1395823 is a wasteful number, since it uses less digits than its factorization.

1395823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 6480, while the sum is 31.

The square root of 1395823 is about 1181.4495334122. The cubic root of 1395823 is about 111.7575270985.

The spelling of 1395823 in words is "one million, three hundred ninety-five thousand, eight hundred twenty-three".