1489887 has 16 divisors (see below), whose sum is σ = 2522880. Its totient is φ = 851256.

The previous prime is 1489867. The next prime is 1489889. The reversal of 1489887 is 7889841.

It is not a de Polignac number, because 1489887 - 2¹⁴ = 1473503 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3753 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (157680).

2^1489887 is an apocalyptic number.

1489887 is a deficient number, since it is larger than the sum of its proper divisors (1032993).

1489887 is an equidigital number, since it uses as much as digits as its factorization.

1489887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899 (or 7893 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 1489887 is about 1220.6092740922. The cubic root of 1489887 is about 114.2135884939.

The spelling of 1489887 in words is "one million, four hundred eighty-nine thousand, eight hundred eighty-seven".