196248961 has 4 divisors (see below), whose sum is σ = 196402500. Its totient is φ = 196095424.

The previous prime is 196248937. The next prime is 196248989. The reversal of 196248961 is 169842691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99600400 + 96648561 = 9980^2 + 9831^2 .

It is a cyclic number.

It is not a de Polignac number, because 196248961 - 2⁹ = 196248449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196248911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74836 + ... + 77413.

It is an arithmetic number, because the mean of its divisors is an integer number (49100625).

Almost surely, 2^196248961 is an apocalyptic number.

It is an amenable number.

196248961 is a deficient number, since it is larger than the sum of its proper divisors (153539).

196248961 is a wasteful number, since it uses less digits than its factorization.

196248961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153538.

The product of its digits is 186624, while the sum is 46.

The square root of 196248961 is about 14008.8886425726. Note that the first 3 decimals coincide. The cubic root of 196248961 is about 581.1244150618.

The spelling of 196248961 in words is "one hundred ninety-six million, two hundred forty-eight thousand, nine hundred sixty-one".