47946929 has 2 divisors, whose sum is σ = 47946930. Its totient is φ = 47946928.

The previous prime is 47946923. The next prime is 47946949. The reversal of 47946929 is 92964974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31528225 + 16418704 = 5615^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 47946929 - 2⁸ = 47946673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47946923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23973464 + 23973465.

It is an arithmetic number, because the mean of its divisors is an integer number (23973465).

Almost surely, 2^47946929 is an apocalyptic number.

It is an amenable number.

47946929 is a deficient number, since it is larger than the sum of its proper divisors (1).

47946929 is an equidigital number, since it uses as much as digits as its factorization.

47946929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 47946929 is about 6924.3721014977. The cubic root of 47946929 is about 363.2901297187.

The spelling of 47946929 in words is "forty-seven million, nine hundred forty-six thousand, nine hundred twenty-nine".