476590409 has 4 divisors (see below), whose sum is σ = 477546000. Its totient is φ = 475634820.

The previous prime is 476590403. The next prime is 476590421. The reversal of 476590409 is 904095674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476590409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 476590409.

It is not an unprimeable number, because it can be changed into a prime (476590403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477047 + ... + 478044.

It is an arithmetic number, because the mean of its divisors is an integer number (119386500).

Almost surely, 2^476590409 is an apocalyptic number.

It is an amenable number.

476590409 is a deficient number, since it is larger than the sum of its proper divisors (955591).

476590409 is an equidigital number, since it uses as much as digits as its factorization.

476590409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955590.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 476590409 is about 21830.9507122342. The cubic root of 476590409 is about 781.1152187841.

The spelling of 476590409 in words is "four hundred seventy-six million, five hundred ninety thousand, four hundred nine".