1489491 has 12 divisors (see below), whose sum is σ = 2162160. Its totient is φ = 988080.

The previous prime is 1489463. The next prime is 1489507. The reversal of 1489491 is 1949841.

It is not a de Polignac number, because 1489491 - 2¹⁰ = 1488467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1489441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3001 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^1489491 is an apocalyptic number.

1489491 is a deficient number, since it is larger than the sum of its proper divisors (672669).

1489491 is a wasteful number, since it uses less digits than its factorization.

1489491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 823 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1489491 is about 1220.4470492406. The cubic root of 1489491 is about 114.2034685791.

The spelling of 1489491 in words is "one million, four hundred eighty-nine thousand, four hundred ninety-one".