196440 has 32 divisors (see below), whose sum is σ = 589680. Its totient is φ = 52352.

The previous prime is 196439. The next prime is 196453. The reversal of 196440 is 44691.

196440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 196440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 938.

2¹⁹⁶⁴⁴⁰ is an apocalyptic number.

196440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196440 is an abundant number, since it is smaller than the sum of its proper divisors (393240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196440 is a wasteful number, since it uses less digits than its factorization.

196440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 196440 is about 443.2155231939. The cubic root of 196440 is about 58.1312919539.

It can be divided in two parts, 196 and 440, that added together give a palindrome (636).

The spelling of 196440 in words is "one hundred ninety-six thousand, four hundred forty".