1489497 has 4 divisors (see below), whose sum is σ = 1986000. Its totient is φ = 992996.

The previous prime is 1489463. The next prime is 1489507. The reversal of 1489497 is 7949841.

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.

It is a cyclic number.

It is not a de Polignac number, because 1489497 - 2¹⁸ = 1227353 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1489097) 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, 248247 + ... + 248252.

It is an arithmetic number, because the mean of its divisors is an integer number (496500).

2^1489497 is an apocalyptic number.

It is an amenable number.

1489497 is a deficient number, since it is larger than the sum of its proper divisors (496503).

1489497 is an equidigital number, since it uses as much as digits as its factorization.

1489497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496502.

The product of its digits is 72576, while the sum is 42.

The square root of 1489497 is about 1220.4495073537. The cubic root of 1489497 is about 114.2036219245.

The spelling of 1489497 in words is "one million, four hundred eighty-nine thousand, four hundred ninety-seven".