1163860 has 12 divisors (see below), whose sum is σ = 2444148. Its totient is φ = 465536.

The previous prime is 1163849. The next prime is 1163873. The reversal of 1163860 is 683611.

It can be written as a sum of positive squares in 2 ways, for example, as 501264 + 662596 = 708^2 + 814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29077 + ... + 29116.

It is an arithmetic number, because the mean of its divisors is an integer number (203679).

2^1163860 is an apocalyptic number.

1163860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163860 is an abundant number, since it is smaller than the sum of its proper divisors (1280288).

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

1163860 is a wasteful number, since it uses less digits than its factorization.

1163860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58202 (or 58200 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1163860 is about 1078.8234331901. The cubic root of 1163860 is about 105.1881735273.

Subtracting from 1163860 its reverse (683611), we obtain a square (480249 = 693²).

The spelling of 1163860 in words is "one million, one hundred sixty-three thousand, eight hundred sixty".