1003487 has 4 divisors (see below), whose sum is σ = 1038120. Its totient is φ = 968856.

The previous prime is 1003469. The next prime is 1003507. The reversal of 1003487 is 7843001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003487 - 2¹⁸ = 741343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17273 + ... + 17330.

It is an arithmetic number, because the mean of its divisors is an integer number (259530).

2^1003487 is an apocalyptic number.

1003487 is a deficient number, since it is larger than the sum of its proper divisors (34633).

1003487 is an equidigital number, since it uses as much as digits as its factorization.

1003487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34632.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1003487 is about 1001.7419827481. The cubic root of 1003487 is about 100.1160984926.

Adding to 1003487 its reverse (7843001), we get a palindrome (8846488).

The spelling of 1003487 in words is "one million, three thousand, four hundred eighty-seven".