47438093 has 2 divisors, whose sum is σ = 47438094. Its totient is φ = 47438092.

The previous prime is 47438089. The next prime is 47438203. The reversal of 47438093 is 39083474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36699364 + 10738729 = 6058^2 + 3277^2 .

It is a cyclic number.

It is not a de Polignac number, because 47438093 - 2² = 47438089 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47438063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23719046 + 23719047.

It is an arithmetic number, because the mean of its divisors is an integer number (23719047).

Almost surely, 2^47438093 is an apocalyptic number.

It is an amenable number.

47438093 is a deficient number, since it is larger than the sum of its proper divisors (1).

47438093 is an equidigital number, since it uses as much as digits as its factorization.

47438093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 47438093 is about 6887.5317059161. The cubic root of 47438093 is about 362.0004197059. Note that the first 3 decimals are identical.

The spelling of 47438093 in words is "forty-seven million, four hundred thirty-eight thousand, ninety-three".