1404589 has 4 divisors (see below), whose sum is σ = 1417824. Its totient is φ = 1391356.

The previous prime is 1404583. The next prime is 1404617. The reversal of 1404589 is 9854041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1404589 - 2³ = 1404581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (354456).

2^1404589 is an apocalyptic number.

It is an amenable number.

1404589 is a deficient number, since it is larger than the sum of its proper divisors (13235).

1404589 is a wasteful number, since it uses less digits than its factorization.

1404589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13234.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1404589 is about 1185.1535765461. The cubic root of 1404589 is about 111.9909909845.

The spelling of 1404589 in words is "one million, four hundred four thousand, five hundred eighty-nine".