1447985 has 16 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 902400.

The previous prime is 1447981. The next prime is 1447987. The reversal of 1447985 is 5897441.

It is not a de Polignac number, because 1447985 - 2² = 1447981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1447981) 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, 1496 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (135432).

2^1447985 is an apocalyptic number.

It is an amenable number.

1447985 is a deficient number, since it is larger than the sum of its proper divisors (718927).

1447985 is a wasteful number, since it uses less digits than its factorization.

1447985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784.

The product of its digits is 40320, while the sum is 38.

The square root of 1447985 is about 1203.3224837923. The cubic root of 1447985 is about 113.1326658623.

The spelling of 1447985 in words is "one million, four hundred forty-seven thousand, nine hundred eighty-five".