452840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is an unprimeable number.
2452840 is an apocalyptic number.
452840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
452840 is a wasteful number, since it uses less digits than its factorization.
452840 is an evil number, because the sum of its binary digits is even.
The square root of 452840 is about 672.9338749090. The cubic root of 452840 is about 76.7918140870.
The spelling of 452840 in words is "four hundred fifty-two thousand, eight hundred forty".