1516489 has 16 divisors (see below), whose sum is σ = 1741824. Its totient is φ = 1310400.

The previous prime is 1516483. The next prime is 1516499. The reversal of 1516489 is 9846151.

It is not a de Polignac number, because 1516489 - 2¹¹ = 1514441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516483) 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 15 ways as a sum of consecutive naturals, for example, 21324 + ... + 21394.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

2^1516489 is an apocalyptic number.

It is an amenable number.

1516489 is a deficient number, since it is larger than the sum of its proper divisors (225335).

1516489 is a wasteful number, since it uses less digits than its factorization.

1516489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168.

The product of its digits is 8640, while the sum is 34.

The square root of 1516489 is about 1231.4580788642. The cubic root of 1516489 is about 114.8893453565.

The spelling of 1516489 in words is "one million, five hundred sixteen thousand, four hundred eighty-nine".