1804722 has 8 divisors (see below), whose sum is σ = 3609456. Its totient is φ = 601572.

The previous prime is 1804711. The next prime is 1804763. The reversal of 1804722 is 2274081.

It is a sphenic number, since it is the product of 3 distinct primes.

1804722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1804692 and 1804701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150388 + ... + 150399.

It is an arithmetic number, because the mean of its divisors is an integer number (451182).

2^1804722 is an apocalyptic number.

1804722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1804722 is a wasteful number, since it uses less digits than its factorization.

1804722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300792.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1804722 is about 1343.3994193835. The cubic root of 1804722 is about 121.7503179862.

The spelling of 1804722 in words is "one million, eight hundred four thousand, seven hundred twenty-two".