1804396 has 24 divisors (see below), whose sum is σ = 3596544. Its totient is φ = 784080.

The previous prime is 1804391. The next prime is 1804399. The reversal of 1804396 is 6934081.

It is not an unprimeable number, because it can be changed into a prime (1804391) 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, 121 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (149856).

2^1804396 is an apocalyptic number.

It is an amenable number.

1804396 is a deficient number, since it is larger than the sum of its proper divisors (1792148).

1804396 is a wasteful number, since it uses less digits than its factorization.

1804396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1804396 is about 1343.2780799224. The cubic root of 1804396 is about 121.7429866643.

The spelling of 1804396 in words is "one million, eight hundred four thousand, three hundred ninety-six".