196285540 has 48 divisors (see below), whose sum is σ = 460152000. Its totient is φ = 69713280.

The previous prime is 196285511. The next prime is 196285547. The reversal of 196285540 is 45582691.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 196285493 and 196285502.

It is not an unprimeable number, because it can be changed into a prime (196285547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915 + ... + 19834.

It is an arithmetic number, because the mean of its divisors is an integer number (9586500).

Almost surely, 2^196285540 is an apocalyptic number.

196285540 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 196285540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230076000).

196285540 is an abundant number, since it is smaller than the sum of its proper divisors (263866460).

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

196285540 is a wasteful number, since it uses less digits than its factorization.

196285540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20812 (or 20810 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 196285540 is about 14010.1941456926. The cubic root of 196285540 is about 581.1605182328.

The spelling of 196285540 in words is "one hundred ninety-six million, two hundred eighty-five thousand, five hundred forty".