1057863 has 16 divisors (see below), whose sum is σ = 1512320. Its totient is φ = 655776.

The previous prime is 1057853. The next prime is 1057879. The reversal of 1057863 is 3687501.

It is not a de Polignac number, because 1057863 - 2⁵ = 1057831 is a prime.

It is a super-2 number, since 2×1057863² = 2238148253538, which contains 22 as substring.

It is a Duffinian number.

1057863 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057853) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3681 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (94520).

2^1057863 is an apocalyptic number.

1057863 is a deficient number, since it is larger than the sum of its proper divisors (454457).

1057863 is a wasteful number, since it uses less digits than its factorization.

1057863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1057863 is about 1028.5246715563. The cubic root of 1057863 is about 101.8927168806.

The spelling of 1057863 in words is "one million, fifty-seven thousand, eight hundred sixty-three".