196288540 has 24 divisors (see below), whose sum is σ = 471092832. Its totient is φ = 67298880.

The previous prime is 196288529. The next prime is 196288553. The reversal of 196288540 is 45882691.

It is a happy number.

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, 700891 + ... + 701170.

It is an arithmetic number, because the mean of its divisors is an integer number (19628868).

Almost surely, 2^196288540 is an apocalyptic number.

196288540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196288540 is an abundant number, since it is smaller than the sum of its proper divisors (274804292).

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

196288540 is a wasteful number, since it uses less digits than its factorization.

196288540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402077 (or 1402075 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 196288540 is about 14010.3012101810. The cubic root of 196288540 is about 581.1634790090.

It can be divided in two parts, 1962 and 88540, that multiplied together give a triangular number (173715480 = T₁₈₆₃₉).

The spelling of 196288540 in words is "one hundred ninety-six million, two hundred eighty-eight thousand, five hundred forty".