196461291 has 16 divisors (see below), whose sum is σ = 291200000. Its totient is φ = 116998560.

The previous prime is 196461277. The next prime is 196461313. The reversal of 196461291 is 192164691.

It is not a de Polignac number, because 196461291 - 2¹⁰ = 196460267 is a prime.

It is a super-2 number, since 2×196461291² = 77194077722773362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (196461211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80041 + ... + 82458.

It is an arithmetic number, because the mean of its divisors is an integer number (18200000).

Almost surely, 2^196461291 is an apocalyptic number.

196461291 is a deficient number, since it is larger than the sum of its proper divisors (94738709).

196461291 is a wasteful number, since it uses less digits than its factorization.

196461291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162546.

The product of its digits is 23328, while the sum is 39.

The square root of 196461291 is about 14016.4649965674. The cubic root of 196461291 is about 581.3339204995. Note that the first 3 decimals are identical.

The spelling of 196461291 in words is "one hundred ninety-six million, four hundred sixty-one thousand, two hundred ninety-one".