196508740 has 24 divisors (see below), whose sum is σ = 414814680. Its totient is φ = 78194688.

The previous prime is 196508737. The next prime is 196508743. The reversal of 196508740 is 47805691.

196508740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (196508737) and next prime (196508743).

It can be written as a sum of positive squares in 4 ways, for example, as 956484 + 195552256 = 978^2 + 13984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196508693 and 196508702.

It is not an unprimeable number, because it can be changed into a prime (196508743) 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, 21595 + ... + 29314.

It is an arithmetic number, because the mean of its divisors is an integer number (17283945).

Almost surely, 2^196508740 is an apocalyptic number.

196508740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196508740 is an abundant number, since it is smaller than the sum of its proper divisors (218305940).

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

196508740 is a wasteful number, since it uses less digits than its factorization.

196508740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51111 (or 51109 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 196508740 is about 14018.1575108857. The cubic root of 196508740 is about 581.3807176619.

The spelling of 196508740 in words is "one hundred ninety-six million, five hundred eight thousand, seven hundred forty".