1490497 has 4 divisors (see below), whose sum is σ = 1501360. Its totient is φ = 1479636.

The previous prime is 1490479. The next prime is 1490507. The reversal of 1490497 is 7940941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7940941 = 1291 ⋅6151.

It is a cyclic number.

It is not a de Polignac number, because 1490497 - 2⁷ = 1490369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490477) 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, 5223 + ... + 5500.

It is an arithmetic number, because the mean of its divisors is an integer number (375340).

2^1490497 is an apocalyptic number.

It is an amenable number.

1490497 is a deficient number, since it is larger than the sum of its proper divisors (10863).

1490497 is a wasteful number, since it uses less digits than its factorization.

1490497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1490497 is about 1220.8591237321. The cubic root of 1490497 is about 114.2291737436.

The spelling of 1490497 in words is "one million, four hundred ninety thousand, four hundred ninety-seven".