1163900 has 36 divisors (see below), whose sum is σ = 2572752. Its totient is φ = 456960.

The previous prime is 1163891. The next prime is 1163923. The reversal of 1163900 is 93611.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10244 + ... + 10356.

2^1163900 is an apocalyptic number.

1163900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286376).

1163900 is an abundant number, since it is smaller than the sum of its proper divisors (1408852).

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

1163900 is a wasteful number, since it uses less digits than its factorization.

1163900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1163900 is about 1078.8419717456. The cubic root of 1163900 is about 105.1893785630.

The spelling of 1163900 in words is "one million, one hundred sixty-three thousand, nine hundred".