196015957 has 4 divisors (see below), whose sum is σ = 200796876. Its totient is φ = 191235040.

The previous prime is 196015949. The next prime is 196015979. The reversal of 196015957 is 759510691.

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 81974916 + 114041041 = 9054^2 + 10679^2 .

It is a cyclic number.

It is not a de Polignac number, because 196015957 - 2³ = 196015949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196015657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390398 + ... + 2390479.

It is an arithmetic number, because the mean of its divisors is an integer number (50199219).

Almost surely, 2^196015957 is an apocalyptic number.

It is an amenable number.

196015957 is a deficient number, since it is larger than the sum of its proper divisors (4780919).

196015957 is an equidigital number, since it uses as much as digits as its factorization.

196015957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780918.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 196015957 is about 14000.5698812584. The cubic root of 196015957 is about 580.8943366691.

The spelling of 196015957 in words is "one hundred ninety-six million, fifteen thousand, nine hundred fifty-seven".