It is a happy number.
It is a Curzon number.
It is a congruent number.
2477945 is an apocalyptic number.
477945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
477945 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
477945 is a wasteful number, since it uses less digits than its factorization.
477945 is an evil number, because the sum of its binary digits is even.
The square root of 477945 is about 691.3356637698. The cubic root of 477945 is about 78.1854561380.
The spelling of 477945 in words is "four hundred seventy-seven thousand, nine hundred forty-five".