1395636 has 48 divisors (see below), whose sum is σ = 3622080. Its totient is φ = 414720.

The previous prime is 1395629. The next prime is 1395643. The reversal of 1395636 is 6365931.

It is an interprime number because it is at equal distance from previous prime (1395629) and next prime (1395643).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1395597 and 1395606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12750 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (75460).

2^1395636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1395636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811040).

1395636 is an abundant number, since it is smaller than the sum of its proper divisors (2226444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395636 is a wasteful number, since it uses less digits than its factorization.

1395636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its digits is 14580, while the sum is 33.

The square root of 1395636 is about 1181.3703906904. The cubic root of 1395636 is about 111.7525361145.

It can be divided in two parts, 139 and 5636, that added together give a palindrome (5775).

The spelling of 1395636 in words is "one million, three hundred ninety-five thousand, six hundred thirty-six".