1804474 has 12 divisors (see below), whose sum is σ = 3148794. Its totient is φ = 773304.

The previous prime is 1804469. The next prime is 1804477. The reversal of 1804474 is 4744081.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 127449 = 1295^2 + 357^2 .

It is a super-2 number, since 2×1804474² = 6512252833352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1804477) 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 5 ways as a sum of consecutive naturals, for example, 9109 + ... + 9304.

2^1804474 is an apocalyptic number.

1804474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1804474 is a deficient number, since it is larger than the sum of its proper divisors (1344320).

1804474 is a wasteful number, since it uses less digits than its factorization.

1804474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18429 (or 18422 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 1804474 is about 1343.3071130609. The cubic root of 1804474 is about 121.7447408646.

It can be divided in two parts, 1804 and 474, that added together give a triangular number (2278 = T₆₇).

The spelling of 1804474 in words is "one million, eight hundred four thousand, four hundred seventy-four".