1161804 has 24 divisors (see below), whose sum is σ = 3098368. Its totient is φ = 331920.

The previous prime is 1161791. The next prime is 1161829. The reversal of 1161804 is 4081611.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6832 + ... + 6999.

2^1161804 is an apocalyptic number.

1161804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1161804 is an abundant number, since it is smaller than the sum of its proper divisors (1936564).

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

1161804 is a wasteful number, since it uses less digits than its factorization.

1161804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845 (or 13843 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1161804 is about 1077.8701220463. The cubic root of 1161804 is about 105.1261974713.

The spelling of 1161804 in words is "one million, one hundred sixty-one thousand, eight hundred four".