1382863 has 4 divisors (see below), whose sum is σ = 1399608. Its totient is φ = 1366120.

The previous prime is 1382861. The next prime is 1382891. The reversal of 1382863 is 3682831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3682831 = 31 ⋅118801.

It is a cyclic number.

It is not a de Polignac number, because 1382863 - 2¹ = 1382861 is a prime.

It is a super-3 number, since 3×1382863³ = 7933388549073028941, which contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8248 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (349902).

2^1382863 is an apocalyptic number.

1382863 is a deficient number, since it is larger than the sum of its proper divisors (16745).

1382863 is an equidigital number, since it uses as much as digits as its factorization.

1382863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16744.

The product of its digits is 6912, while the sum is 31.

The square root of 1382863 is about 1175.9519548009. The cubic root of 1382863 is about 111.4105672830.

Subtracting 1382863 from its reverse (3682831), we obtain a cube (2299968 = 132³).

The spelling of 1382863 in words is "one million, three hundred eighty-two thousand, eight hundred sixty-three".