1002860 has 24 divisors (see below), whose sum is σ = 2159136. Its totient is φ = 391040.

The previous prime is 1002857. The next prime is 1002863. The reversal of 1002860 is 682001.

It is an interprime number because it is at equal distance from previous prime (1002857) and next prime (1002863).

It is not an unprimeable number, because it can be changed into a prime (1002863) 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, 209 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2^1002860 is an apocalyptic number.

1002860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079568).

1002860 is an abundant number, since it is smaller than the sum of its proper divisors (1156276).

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

1002860 is a wasteful number, since it uses less digits than its factorization.

1002860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1002860 is about 1001.4289790095. The cubic root of 1002860 is about 100.0952425930.

Adding to 1002860 its reverse (682001), we get a palindrome (1684861).

The spelling of 1002860 in words is "one million, two thousand, eight hundred sixty".