474509 has 8 divisors (see below), whose sum is σ = 552960. Its totient is φ = 398736.

The previous prime is 474503. The next prime is 474533. The reversal of 474509 is 905474.

474509 = 7² + 8² + ... + 112².

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

It is a cyclic number.

It is not a de Polignac number, because 474509 - 2¹² = 470413 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474503) 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, 269 + ... + 1010.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2⁴⁷⁴⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

474509 is a deficient number, since it is larger than the sum of its proper divisors (78451).

474509 is a wasteful number, since it uses less digits than its factorization.

474509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 474509 is about 688.8461366662. The cubic root of 474509 is about 77.9976440226.

The spelling of 474509 in words is "four hundred seventy-four thousand, five hundred nine".