1804930 has 16 divisors (see below), whose sum is σ = 3268800. Its totient is φ = 717552.

The previous prime is 1804927. The next prime is 1804937. The reversal of 1804930 is 394081.

It is a junction number, because it is equal to n+sod(n) for n = 1804895 and 1804904.

It is not an unprimeable number, because it can be changed into a prime (1804937) 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, 1537 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (204300).

2^1804930 is an apocalyptic number.

1804930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1804930 is a deficient number, since it is larger than the sum of its proper divisors (1463870).

1804930 is a wasteful number, since it uses less digits than its factorization.

1804930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1804930 is about 1343.4768326994. The cubic root of 1804930 is about 121.7549951781.

The spelling of 1804930 in words is "one million, eight hundred four thousand, nine hundred thirty".