1490506 has 8 divisors (see below), whose sum is σ = 2243844. Its totient is φ = 742560.

The previous prime is 1490479. The next prime is 1490507. The reversal of 1490506 is 6050941.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 664225 = 909^2 + 815^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1490507) 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, 565 + ... + 1816.

2^1490506 is an apocalyptic number.

1490506 is a deficient number, since it is larger than the sum of its proper divisors (753338).

1490506 is a wasteful number, since it uses less digits than its factorization.

1490506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1490506 is about 1220.8628096555. The cubic root of 1490506 is about 114.2294036581.

The spelling of 1490506 in words is "one million, four hundred ninety thousand, five hundred six".