1840304 has 10 divisors (see below), whose sum is σ = 3565620. Its totient is φ = 920144.

The previous prime is 1840297. The next prime is 1840313. The reversal of 1840304 is 4030481.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57494 + ... + 57525.

It is an arithmetic number, because the mean of its divisors is an integer number (356562).

2^1840304 is an apocalyptic number.

It is an amenable number.

1840304 is a deficient number, since it is larger than the sum of its proper divisors (1725316).

1840304 is a wasteful number, since it uses less digits than its factorization.

1840304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115027 (or 115021 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1840304 is about 1356.5780478837. The cubic root of 1840304 is about 122.5452616308.

Adding to 1840304 its reverse (4030481), we get a palindrome (5870785).

The spelling of 1840304 in words is "one million, eight hundred forty thousand, three hundred four".