1395144 has 40 divisors (see below), whose sum is σ = 3909510. Its totient is φ = 464832.

The previous prime is 1395137. The next prime is 1395167. The reversal of 1395144 is 4415931.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 26244 = 1170^2 + 162^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 429 + ... + 1724.

2^1395144 is an apocalyptic number.

It is an amenable number.

1395144 is an abundant number, since it is smaller than the sum of its proper divisors (2514366).

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

1395144 is a wasteful number, since it uses less digits than its factorization.

1395144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2158 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1395144 is about 1181.1621395897. The cubic root of 1395144 is about 111.7394026255.

The spelling of 1395144 in words is "one million, three hundred ninety-five thousand, one hundred forty-four".