196490 has 24 divisors (see below), whose sum is σ = 412452. Its totient is φ = 67200.
The previous prime is 196477. The next prime is 196499. The reversal of 196490 is 94691.
It can be written as a sum of positive squares in 2 ways, for example, as 182329 + 14161 = 427^2 + 119^2 .
It is a Curzon number.
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 196490.
It is not an unprimeable number, because it can be changed into a prime (196499) by changing a digit.
196490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290 + ... + 690.
2196490 is an apocalyptic number.
196490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
196490 is an abundant number, since it is smaller than the sum of its proper divisors (215962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
196490 is a wasteful number, since it uses less digits than its factorization.
196490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422 (or 415 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 196490 is about 443.2719255717. The cubic root of 196490 is about 58.1362236006.
It can be divided in two parts, 196 and 490, that added together give a palindrome (686).
The spelling of 196490 in words is "one hundred ninety-six thousand, four hundred ninety".
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