1823304 has 32 divisors (see below), whose sum is σ = 5209920. Its totient is φ = 520896.

The previous prime is 1823303. The next prime is 1823357. The reversal of 1823304 is 4033281.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5259 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (162810).

2^1823304 is an apocalyptic number.

1823304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1823304 is an abundant number, since it is smaller than the sum of its proper divisors (3386616).

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

1823304 is a wasteful number, since it uses less digits than its factorization.

1823304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869 (or 10865 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1823304 is about 1350.2977449437. The cubic root of 1823304 is about 122.1667521782.

Adding to 1823304 its reverse (4033281), we get a palindrome (5856585).

It can be divided in two parts, 182 and 3304, that added together give a triangular number (3486 = T₈₃).

The spelling of 1823304 in words is "one million, eight hundred twenty-three thousand, three hundred four".