It is a Curzon number.
It is a plaindrome in base 11.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402894.
It is an unprimeable number.
402894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2402894 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 402894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
402894 is an equidigital number, since it uses as much as digits as its factorization.
402894 is an evil number, because the sum of its binary digits is even.
The square root of 402894 is about 634.7393165702. The cubic root of 402894 is about 73.8578962697.
The spelling of 402894 in words is "four hundred two thousand, eight hundred ninety-four".