1503489 has 16 divisors (see below), whose sum is σ = 2273600. Its totient is φ = 876096.

The previous prime is 1503479. The next prime is 1503499. The reversal of 1503489 is 9843051.

It is an interprime number because it is at equal distance from previous prime (1503479) and next prime (1503499).

It is not a de Polignac number, because 1503489 - 2⁴ = 1503473 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1503419) 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, 274 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (142100).

2^1503489 is an apocalyptic number.

1503489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1503489 is a deficient number, since it is larger than the sum of its proper divisors (770111).

1503489 is a wasteful number, since it uses less digits than its factorization.

1503489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1503489 is about 1226.1684223629. The cubic root of 1503489 is about 114.5601090415.

The spelling of 1503489 in words is "one million, five hundred three thousand, four hundred eighty-nine".