47869321 has 2 divisors, whose sum is σ = 47869322. Its totient is φ = 47869320.

The previous prime is 47869313. The next prime is 47869333. The reversal of 47869321 is 12396874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 10169721 = 6140^2 + 3189^2 .

It is a cyclic number.

It is not a de Polignac number, because 47869321 - 2³ = 47869313 is a prime.

It is not a weakly prime, because it can be changed into another prime (47869361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23934660 + 23934661.

It is an arithmetic number, because the mean of its divisors is an integer number (23934661).

Almost surely, 2^47869321 is an apocalyptic number.

It is an amenable number.

47869321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47869321 is an equidigital number, since it uses as much as digits as its factorization.

47869321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 47869321 is about 6918.7658581571. The cubic root of 47869321 is about 363.0940139535.

The spelling of 47869321 in words is "forty-seven million, eight hundred sixty-nine thousand, three hundred twenty-one".