1490017 has 4 divisors (see below), whose sum is σ = 1505476. Its totient is φ = 1474560.

The previous prime is 1490011. The next prime is 1490029. The reversal of 1490017 is 7100941.

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 913936 + 576081 = 956^2 + 759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490017 - 2⁷ = 1489889 is a prime.

It is a Duffinian number.

1490017 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1490017.

It is not an unprimeable number, because it can be changed into a prime (1490011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7584 + ... + 7777.

It is an arithmetic number, because the mean of its divisors is an integer number (376369).

2^1490017 is an apocalyptic number.

It is an amenable number.

1490017 is a deficient number, since it is larger than the sum of its proper divisors (15459).

1490017 is an equidigital number, since it uses as much as digits as its factorization.

1490017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15458.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1490017 is about 1220.6625250248. The cubic root of 1490017 is about 114.2169102972.

Adding to 1490017 its reverse (7100941), we get a palindrome (8590958).

The spelling of 1490017 in words is "one million, four hundred ninety thousand, seventeen".