1163838 has 32 divisors (see below), whose sum is σ = 2572416. Its totient is φ = 348768.

The previous prime is 1163831. The next prime is 1163843. The reversal of 1163838 is 8383611.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163831) 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, 3181 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2^1163838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286208).

1163838 is an abundant number, since it is smaller than the sum of its proper divisors (1408578).

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

1163838 is a wasteful number, since it uses less digits than its factorization.

1163838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its digits is 3456, while the sum is 30.

The square root of 1163838 is about 1078.8132368487. The cubic root of 1163838 is about 105.1875107458.

It can be divided in two parts, 11638 and 38, that multiplied together give a palindrome (442244).

The spelling of 1163838 in words is "one million, one hundred sixty-three thousand, eight hundred thirty-eight".