1000487 has 4 divisors (see below), whose sum is σ = 1004016. Its totient is φ = 996960.

The previous prime is 1000457. The next prime is 1000507. The reversal of 1000487 is 7840001.

It is a happy number.

1000487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7840001 = 13 ⋅603077.

It is a cyclic number.

It is not a de Polignac number, because 1000487 - 2⁶ = 1000423 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 (1000427) 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, 1298 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (251004).

2^1000487 is an apocalyptic number.

1000487 is a deficient number, since it is larger than the sum of its proper divisors (3529).

1000487 is an equidigital number, since it uses as much as digits as its factorization.

1000487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1000487 is about 1000.2434703611. The cubic root of 1000487 is about 100.0162306988.

Adding to 1000487 its reverse (7840001), we get a palindrome (8840488).

It can be divided in two parts, 100048 and 7, that multiplied together give a triangular number (700336 = T₁₁₈₃).

The spelling of 1000487 in words is "one million, four hundred eighty-seven", and thus it is an aban number.