47698589 has 2 divisors, whose sum is σ = 47698590. Its totient is φ = 47698588.

The previous prime is 47698559. The next prime is 47698597. The reversal of 47698589 is 98589674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47265625 + 432964 = 6875^2 + 658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47698589 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47698529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23849294 + 23849295.

It is an arithmetic number, because the mean of its divisors is an integer number (23849295).

Almost surely, 2^47698589 is an apocalyptic number.

It is an amenable number.

47698589 is a deficient number, since it is larger than the sum of its proper divisors (1).

47698589 is an equidigital number, since it uses as much as digits as its factorization.

47698589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 47698589 is about 6906.4165093050. The cubic root of 47698589 is about 362.6618261223.

The spelling of 47698589 in words is "forty-seven million, six hundred ninety-eight thousand, five hundred eighty-nine".