1494589 has 4 divisors (see below), whose sum is σ = 1582524. Its totient is φ = 1406656.

The previous prime is 1494583. The next prime is 1494599. The reversal of 1494589 is 9854941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 870489 + 624100 = 933^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494589 - 2⁵ = 1494557 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494583) 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, 43942 + ... + 43975.

It is an arithmetic number, because the mean of its divisors is an integer number (395631).

2^1494589 is an apocalyptic number.

It is an amenable number.

1494589 is a deficient number, since it is larger than the sum of its proper divisors (87935).

1494589 is an equidigital number, since it uses as much as digits as its factorization.

1494589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87934.

The product of its digits is 51840, while the sum is 40.

The square root of 1494589 is about 1222.5338441123. The cubic root of 1494589 is about 114.3336128836. Note that the first 3 decimals are identical.

The spelling of 1494589 in words is "one million, four hundred ninety-four thousand, five hundred eighty-nine".