196089840 has 60 divisors (see below), whose sum is σ = 658537464. Its totient is φ = 52290432.

The previous prime is 196089833. The next prime is 196089841. The reversal of 196089840 is 48980691.

196089840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196089841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135454 + ... + 136893.

Almost surely, 2^196089840 is an apocalyptic number.

196089840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196089840 is an abundant number, since it is smaller than the sum of its proper divisors (462447624).

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

196089840 is a wasteful number, since it uses less digits than its factorization.

196089840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272366 (or 272357 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 196089840 is about 14003.2082038367. The cubic root of 196089840 is about 580.9673117230.

The spelling of 196089840 in words is "one hundred ninety-six million, eighty-nine thousand, eight hundred forty".