1000860 has 48 divisors (see below), whose sum is σ = 3204096. Its totient is φ = 228672.

The previous prime is 1000859. The next prime is 1000861. The reversal of 1000860 is 680001.

Added to its reverse (680001) it gives a triangular number (1680861 = T₁₈₃₃).

It is an interprime number because it is at equal distance from previous prime (1000859) and next prime (1000861).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000861) 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, 772 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (66752).

2^1000860 is an apocalyptic number.

1000860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000860 is an abundant number, since it is smaller than the sum of its proper divisors (2203236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000860 is a wasteful number, since it uses less digits than its factorization.

1000860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1000860 is about 1000.4299075897. The cubic root of 1000860 is about 100.0286584528.

Adding to 1000860 its reverse (680001), we get a palindrome (1680861).

The spelling of 1000860 in words is "one million, eight hundred sixty", and thus it is an aban number.