196730540 has 24 divisors (see below), whose sum is σ = 418367040. Its totient is φ = 77695488.

The previous prime is 196730539. The next prime is 196730543. The reversal of 196730540 is 45037691.

It is a self number, because there is not a number n which added to its sum of digits gives 196730540.

It is not an unprimeable number, because it can be changed into a prime (196730543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60677 + ... + 63836.

It is an arithmetic number, because the mean of its divisors is an integer number (17431960).

Almost surely, 2^196730540 is an apocalyptic number.

196730540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196730540 is an abundant number, since it is smaller than the sum of its proper divisors (221636500).

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

196730540 is a wasteful number, since it uses less digits than its factorization.

196730540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124601 (or 124599 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 196730540 is about 14026.0664478677. The cubic root of 196730540 is about 581.5993708002.

The spelling of 196730540 in words is "one hundred ninety-six million, seven hundred thirty thousand, five hundred forty".