47934893 has 2 divisors, whose sum is σ = 47934894. Its totient is φ = 47934892.

The previous prime is 47934881. The next prime is 47934899. The reversal of 47934893 is 39843974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 8219689 = 6302^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 47934893 - 2¹² = 47930797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47934899) 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 as a sum of consecutive naturals, namely, 23967446 + 23967447.

It is an arithmetic number, because the mean of its divisors is an integer number (23967447).

Almost surely, 2^47934893 is an apocalyptic number.

It is an amenable number.

47934893 is a deficient number, since it is larger than the sum of its proper divisors (1).

47934893 is an equidigital number, since it uses as much as digits as its factorization.

47934893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 47934893 is about 6923.5029428751. The cubic root of 47934893 is about 363.2597285647.

The spelling of 47934893 in words is "forty-seven million, nine hundred thirty-four thousand, eight hundred ninety-three".