1490173 has 4 divisors (see below), whose sum is σ = 1498588. Its totient is φ = 1481760.

The previous prime is 1490171. The next prime is 1490179. The reversal of 1490173 is 3710941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3710941 = 13 ⋅285457.

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 1375929 = 338^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490173 - 2¹ = 1490171 is a prime.

It is a Duffinian number.

1490173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3936 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (374647).

2^1490173 is an apocalyptic number.

It is an amenable number.

1490173 is a deficient number, since it is larger than the sum of its proper divisors (8415).

1490173 is an equidigital number, since it uses as much as digits as its factorization.

1490173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1490173 is about 1220.7264230777. The cubic root of 1490173 is about 114.2208962062.

The spelling of 1490173 in words is "one million, four hundred ninety thousand, one hundred seventy-three".