196784280 has 384 divisors, whose sum is σ = 826675200. Its totient is φ = 39398400.

The previous prime is 196784279. The next prime is 196784309. The reversal of 196784280 is 82487691.

196784280 is digitally balanced in base 2, 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 859206 + ... + 859434.

It is an arithmetic number, because the mean of its divisors is an integer number (2152800).

Almost surely, 2^196784280 is an apocalyptic number.

196784280 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 196784280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413337600).

196784280 is an abundant number, since it is smaller than the sum of its proper divisors (629890920).

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

196784280 is a wasteful number, since it uses less digits than its factorization.

196784280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 196784280 is about 14027.9820359166. The cubic root of 196784280 is about 581.6523236101.

The spelling of 196784280 in words is "one hundred ninety-six million, seven hundred eighty-four thousand, two hundred eighty".