1007863 has 4 divisors (see below), whose sum is σ = 1012320. Its totient is φ = 1003408.

The previous prime is 1007861. The next prime is 1007873. The reversal of 1007863 is 3687001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3687001 = 281 ⋅13121.

It is a cyclic number.

It is not a de Polignac number, because 1007863 - 2¹ = 1007861 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 (1007861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (253080).

2^1007863 is an apocalyptic number.

1007863 is a deficient number, since it is larger than the sum of its proper divisors (4457).

1007863 is an equidigital number, since it uses as much as digits as its factorization.

1007863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1007863 is about 1003.9238018894. The cubic root of 1007863 is about 100.2614160211.

The spelling of 1007863 in words is "one million, seven thousand, eight hundred sixty-three".