Adding to 3960000 its reverse (693), we get a palindrome (3960693).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
Almost surely, 23960000 is an apocalyptic number.
3960000 is a gapful number since it is divisible by the number (30) 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 3960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7736586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3960000 is a wasteful number, since it uses less digits than its factorization.
3960000 is an evil number, because the sum of its binary digits is even.
The square root of 3960000 is about 1989.9748742132. The cubic root of 3960000 is about 158.2091978693.
The spelling of 3960000 in words is "three million, nine hundred sixty thousand".