474409 has 4 divisors (see below), whose sum is σ = 510916. Its totient is φ = 437904.

The previous prime is 474391. The next prime is 474413. The reversal of 474409 is 904474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38809 + 435600 = 197^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 474409 - 2¹⁷ = 343337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474479) 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 3 ways as a sum of consecutive naturals, for example, 18234 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (127729).

2⁴⁷⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

474409 is a deficient number, since it is larger than the sum of its proper divisors (36507).

474409 is a wasteful number, since it uses less digits than its factorization.

474409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36506.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 474409 is about 688.7735476918. The cubic root of 474409 is about 77.9921644551.

The spelling of 474409 in words is "four hundred seventy-four thousand, four hundred nine".