Multipling 390852900 by its sum of digits (36), we get a square (14070704400 = 1186202).
390852900 divided by its sum of digits (36) gives a square (10857025 = 32952).
The square root of 390852900 is 19770.
It is a Duffinian number.
Almost surely, 2390852900 is an apocalyptic number.
390852900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
390852900 is the 19770-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 390852900
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390852900 is a wasteful number, since it uses less digits than its factorization.
390852900 is an odious number, because the sum of its binary digits is odd.
The cubic root of 390852900 is about 731.1465687590.
The spelling of 390852900 in words is "three hundred ninety million, eight hundred fifty-two thousand, nine hundred".