196089880 has 256 divisors, whose sum is σ = 580608000. Its totient is φ = 58060800.

The previous prime is 196089841. The next prime is 196089889. The reversal of 196089880 is 88980691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196089889) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4782660 + ... + 4782700.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^196089880 is an apocalyptic number.

196089880 is a gapful number since it is divisible by the number (10) 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 196089880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290304000).

196089880 is an abundant number, since it is smaller than the sum of its proper divisors (384518120).

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

196089880 is a wasteful number, since it uses less digits than its factorization.

196089880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 196089880 is about 14003.2096320808. The cubic root of 196089880 is about 580.9673512265.

The spelling of 196089880 in words is "one hundred ninety-six million, eighty-nine thousand, eight hundred eighty".