1162863 has 16 divisors (see below), whose sum is σ = 1855840. Its totient is φ = 715392.

The previous prime is 1162859. The next prime is 1162867. The reversal of 1162863 is 3682611.

It is an interprime number because it is at equal distance from previous prime (1162859) and next prime (1162867).

It is not a de Polignac number, because 1162863 - 2² = 1162859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (115990).

2^1162863 is an apocalyptic number.

1162863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1162863 is a deficient number, since it is larger than the sum of its proper divisors (692977).

1162863 is a wasteful number, since it uses less digits than its factorization.

1162863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3329 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1162863 is about 1078.3612567224. The cubic root of 1162863 is about 105.1581290864.

It can be divided in two parts, 1162 and 863, that added together give a square (2025 = 45²).

The spelling of 1162863 in words is "one million, one hundred sixty-two thousand, eight hundred sixty-three".