47738489 has 2 divisors, whose sum is σ = 47738490. Its totient is φ = 47738488.

The previous prime is 47738479. The next prime is 47738513. The reversal of 47738489 is 98483774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32684089 + 15054400 = 5717^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 47738489 - 2¹⁶ = 47672953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47738429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23869244 + 23869245.

It is an arithmetic number, because the mean of its divisors is an integer number (23869245).

Almost surely, 2^47738489 is an apocalyptic number.

It is an amenable number.

47738489 is a deficient number, since it is larger than the sum of its proper divisors (1).

47738489 is an equidigital number, since it uses as much as digits as its factorization.

47738489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 47738489 is about 6909.3045236116. The cubic root of 47738489 is about 362.7629204750.

The spelling of 47738489 in words is "forty-seven million, seven hundred thirty-eight thousand, four hundred eighty-nine".