196243970 has 32 divisors (see below), whose sum is σ = 400438080. Its totient is φ = 68644800.

The previous prime is 196243961. The next prime is 196243987. The reversal of 196243970 is 79342691.

It is a super-4 number, since 4×196243970⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37256 + ... + 42195.

It is an arithmetic number, because the mean of its divisors is an integer number (12513690).

Almost surely, 2^196243970 is an apocalyptic number.

196243970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196243970 is an abundant number, since it is smaller than the sum of its proper divisors (204194110).

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

196243970 is a wasteful number, since it uses less digits than its factorization.

196243970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79490.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 196243970 is about 14008.7105045397. The cubic root of 196243970 is about 581.1194886382.

The spelling of 196243970 in words is "one hundred ninety-six million, two hundred forty-three thousand, nine hundred seventy".