477409 has 2 divisors, whose sum is σ = 477410. Its totient is φ = 477408.

The previous prime is 477383. The next prime is 477439. The reversal of 477409 is 904774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247009 + 230400 = 497^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 477409 - 2¹⁵ = 444641 is a prime.

It is not a weakly prime, because it can be changed into another prime (477439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238704 + 238705.

It is an arithmetic number, because the mean of its divisors is an integer number (238705).

2⁴⁷⁷⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

477409 is a deficient number, since it is larger than the sum of its proper divisors (1).

477409 is an equidigital number, since it uses as much as digits as its factorization.

477409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 477409 is about 690.9478996278. The cubic root of 477409 is about 78.1562177108.

The spelling of 477409 in words is "four hundred seventy-seven thousand, four hundred nine".