196943265 has 32 divisors (see below), whose sum is σ = 368553600. Its totient is φ = 99506880.

The previous prime is 196943261. The next prime is 196943281. The reversal of 196943265 is 562349691.

It is not a de Polignac number, because 196943265 - 2² = 196943261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 196943265.

It is not an unprimeable number, because it can be changed into a prime (196943261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35826 + ... + 40955.

It is an arithmetic number, because the mean of its divisors is an integer number (11517300).

Almost surely, 2^196943265 is an apocalyptic number.

196943265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196943265 is a deficient number, since it is larger than the sum of its proper divisors (171610335).

196943265 is a wasteful number, since it uses less digits than its factorization.

196943265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76814 (or 76808 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 196943265 is about 14033.6476013900. The cubic root of 196943265 is about 581.8089233516.

The spelling of 196943265 in words is "one hundred ninety-six million, nine hundred forty-three thousand, two hundred sixty-five".