196969231 has 2 divisors, whose sum is σ = 196969232. Its totient is φ = 196969230.

The previous prime is 196969211. The next prime is 196969237. The reversal of 196969231 is 132969691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196969231 - 2²⁷ = 62751503 is a prime.

It is a super-2 number, since 2×196969231² = 77593755921462722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196969237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98484615 + 98484616.

It is an arithmetic number, because the mean of its divisors is an integer number (98484616).

Almost surely, 2^196969231 is an apocalyptic number.

196969231 is a deficient number, since it is larger than the sum of its proper divisors (1).

196969231 is an equidigital number, since it uses as much as digits as its factorization.

196969231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 46.

The square root of 196969231 is about 14034.5727045749. The cubic root of 196969231 is about 581.8344917754.

The spelling of 196969231 in words is "one hundred ninety-six million, nine hundred sixty-nine thousand, two hundred thirty-one".