2015489 has 8 divisors (see below), whose sum is σ = 2331840. Its totient is φ = 1706256.

The previous prime is 2015473. The next prime is 2015491. The reversal of 2015489 is 9845102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2015489 - 2⁴ = 2015473 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (291480).

2^2015489 is an apocalyptic number.

It is an amenable number.

2015489 is a deficient number, since it is larger than the sum of its proper divisors (316351).

2015489 is an equidigital number, since it uses as much as digits as its factorization.

2015489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2015489 is about 1419.6791891128. The cubic root of 2015489 is about 126.3165175732.

The spelling of 2015489 in words is "two million, fifteen thousand, four hundred eighty-nine".