1489887515 has 16 divisors (see below), whose sum is σ = 1796256000. Its totient is φ = 1186332672.

The previous prime is 1489887457. The next prime is 1489887517. The reversal of 1489887515 is 5157889841.

1489887515 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1489887515 - 2¹⁰ = 1489886491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1489887517) 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, 1725974 + ... + 1726836.

It is an arithmetic number, because the mean of its divisors is an integer number (112266000).

Almost surely, 2^1489887515 is an apocalyptic number.

1489887515 is a deficient number, since it is larger than the sum of its proper divisors (306368485).

1489887515 is an equidigital number, since it uses as much as digits as its factorization.

1489887515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its digits is 3225600, while the sum is 56.

The square root of 1489887515 is about 38599.0610637098. The cubic root of 1489887515 is about 1142.1360165375.

The spelling of 1489887515 in words is "one billion, four hundred eighty-nine million, eight hundred eighty-seven thousand, five hundred fifteen".