573804 has 120 divisors (see below), whose sum is σ = 1951488. Its totient is φ = 142560.

The previous prime is 573791. The next prime is 573809. The reversal of 573804 is 408375.

573804 = T₁₃₉ + T₁₄₀ + ... + T₁₈₂.

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

It is not an unprimeable number, because it can be changed into a prime (573809) by changing a digit.

573804 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24937 + ... + 24959.

2⁵⁷³⁸⁰⁴ is an apocalyptic number.

573804 is a gapful number since it is divisible by the number (54) 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 573804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975744).

573804 is an abundant number, since it is smaller than the sum of its proper divisors (1377684).

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

573804 is a wasteful number, since it uses less digits than its factorization.

573804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 573804 is about 757.4985148500. The cubic root of 573804 is about 83.0974806675.

The spelling of 573804 in words is "five hundred seventy-three thousand, eight hundred four".