1804634 has 16 divisors (see below), whose sum is σ = 3010560. Its totient is φ = 805680.

The previous prime is 1804631. The next prime is 1804643. The reversal of 1804634 is 4364081.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1804631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 314 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

2^1804634 is an apocalyptic number.

1804634 is a deficient number, since it is larger than the sum of its proper divisors (1205926).

1804634 is a wasteful number, since it uses less digits than its factorization.

1804634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1804634 is about 1343.3666662531. The cubic root of 1804634 is about 121.7483390661.

The spelling of 1804634 in words is "one million, eight hundred four thousand, six hundred thirty-four".