1384009 has 8 divisors (see below), whose sum is σ = 1542528. Its totient is φ = 1230960.

The previous prime is 1383983. The next prime is 1384013. The reversal of 1384009 is 9004831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1384009 - 2⁷ = 1383881 is a prime.

It is a Duffinian number.

1384009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1384069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (192816).

2^1384009 is an apocalyptic number.

It is an amenable number.

1384009 is a deficient number, since it is larger than the sum of its proper divisors (158519).

1384009 is a wasteful number, since it uses less digits than its factorization.

1384009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1384009 is about 1176.4391186968. The cubic root of 1384009 is about 111.4413346734.

The spelling of 1384009 in words is "one million, three hundred eighty-four thousand, nine".