1016864 has 24 divisors (see below), whose sum is σ = 2051280. Its totient is φ = 495936.

The previous prime is 1016849. The next prime is 1016879. The reversal of 1016864 is 4686101.

It is an interprime number because it is at equal distance from previous prime (1016849) and next prime (1016879).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (85470).

2^1016864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025640).

1016864 is an abundant number, since it is smaller than the sum of its proper divisors (1034416).

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

1016864 is an equidigital number, since it uses as much as digits as its factorization.

1016864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1016864 is about 1008.3967473172. The cubic root of 1016864 is about 100.5590026708.

The spelling of 1016864 in words is "one million, sixteen thousand, eight hundred sixty-four".