It is an Ulam number.
It is a congruent number.
22097340 is an apocalyptic number.
2097340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2097340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2097340 is a wasteful number, since it uses less digits than its factorization.
2097340 is an evil number, because the sum of its binary digits is even.
The square root of 2097340 is about 1448.2195966082. The cubic root of 2097340 is about 128.0038247555.
The spelling of 2097340 in words is "two million, ninety-seven thousand, three hundred forty".