1395728 has 20 divisors (see below), whose sum is σ = 2739408. Its totient is φ = 688800.

The previous prime is 1395697. The next prime is 1395739. The reversal of 1395728 is 8275931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803 + ... + 1853.

2^1395728 is an apocalyptic number.

It is an amenable number.

1395728 is a deficient number, since it is larger than the sum of its proper divisors (1343680).

1395728 is a wasteful number, since it uses less digits than its factorization.

1395728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1136 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 1395728 is about 1181.4093278792. The cubic root of 1395728 is about 111.7549916276.

The spelling of 1395728 in words is "one million, three hundred ninety-five thousand, seven hundred twenty-eight".