196049731 has 2 divisors, whose sum is σ = 196049732. Its totient is φ = 196049730.

The previous prime is 196049719. The next prime is 196049747. The reversal of 196049731 is 137940691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196049731 - 2⁵ = 196049699 is a prime.

It is a super-2 number, since 2×196049731² = 76870994050344722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196049761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98024865 + 98024866.

It is an arithmetic number, because the mean of its divisors is an integer number (98024866).

Almost surely, 2^196049731 is an apocalyptic number.

196049731 is a deficient number, since it is larger than the sum of its proper divisors (1).

196049731 is an equidigital number, since it uses as much as digits as its factorization.

196049731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 196049731 is about 14001.7759944944. The cubic root of 196049731 is about 580.9276978963.

The spelling of 196049731 in words is "one hundred ninety-six million, forty-nine thousand, seven hundred thirty-one".