1395904 has 28 divisors (see below), whose sum is σ = 2935224. Its totient is φ = 656384.

The previous prime is 1395883. The next prime is 1395907. The reversal of 1395904 is 4095931.

It is not an unprimeable number, because it can be changed into a prime (1395907) 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, 447 + ... + 1729.

2^1395904 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 1395904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467612).

1395904 is an abundant number, since it is smaller than the sum of its proper divisors (1539320).

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

1395904 is a wasteful number, since it uses less digits than its factorization.

1395904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1395904 is about 1181.4838128388. The cubic root of 1395904 is about 111.7596888302.

The spelling of 1395904 in words is "one million, three hundred ninety-five thousand, nine hundred four".